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<mods:title id="2D142CE8590B79D305BF165AF5B09C1B">Rissoidae (Mollusca, Gastropoda, Rissooidea) from taphocoenotic assemblages of the Strait of Sicily (Mediterranean Sea) with the description of two new species</mods:title>
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(
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; 
<figureCitation id="7AE98CF67E24FFED5623FBCB68566E44" box="[261,292,1076,1102]" captionStart="FIGURE 9" captionStartId="13.[151,250,186,210]" captionTargetId="figure-387@13.[174,1414,738,1242]" captionTargetPageId="13" captionText="FIGURE 9. Rissoidae spp. A. Alvania cimicoides (Forbes, 1844) stn COR 2-53, height 3.8 mm, width 2.2 mm (MZUB); B. Alvania testae (Aradas &amp; Maggiore, 1844) stn COR 2-53, height 2.95 mm, width 1.45 mm (MZUB); C. Alvania subsoluta (Aradas, 1847) stn COR 2-53, height 2.55 mm, width 1.55 mm (MZUB); D. Alvania elegantissima (Monterosato, 1875) stn COR 2-53, height 1.85 mm, width 1.27 mm (MZUB); E. Alvania electa (Monterosato, 1874) stn COR 2-53, height, 1.72 mm, width 1.22 mm (MZUB); F. Alvania punctura (Montagu, 1803) stn COR 2-53, height 2.37 mm; width 1.32 mm (MZUB); G. Alvania pizzinii Amati, Smriglio &amp; Oliverio, 2020 stn COR 2-53, height 2.3 mm, width 1.3 mm (MZUB); H. Alvania scabra (Philippi, 1844) stn COR 2-53, height 2.15 mm, width 1.25 mm (MZUB); I. Alvania rudis (Philippi, 1844) stn COR 2-53, height 2.55 mm, width 1.32 mm (MZUB); J. Alvania clathrella L. Seguenza, 1903 stn COR 2-53, height 2.55 mm, width 1.55 mm (MZUB); K. Alvania mamillata Risso, 1826 stn COR 2-53, height 2 mm (MZUB); L. Alvania subcrenulata (Bucquoy, Dautzenberg &amp; Dollfus, 1884) stn COR 2-53, height 3.05 mm, width 1.9 mm (MZUB); M. Alvania zetlandica (Montagu, 1816) stn COR 2-53, height 2.7 mm, width 1.57 mm (MZUB); N. Alvania zetlandica (Montagu, 1816) stn COR 2-53, height 2.82 mm, width 1.7 mm (MZUB); O. Benthonella tenella (Jeffreys, 1869) stn COR 2-53, height 3.02 mm, width 2.15 mm (MZUB); P. Pusillina sp. stn COR 2-53, height 1.9 mm, width 1.15 mm (MZUB); Q. Pusillina inconspicua (Alder, 1844) stn COR 2-53, height 1.7 mm, width 1.05 mm (MZUB); R. Pusillina philippi (Aradas &amp; Maggiore, 1844) stn COR 2-53, height 1.75 mm, width 1 mm (MZUB); S. Rissoa lia (Monterosato, 1872) stn COR 2-53, height 3.15 mm" figureDoi="http://doi.org/10.5281/zenodo.10912982" httpUri="https://zenodo.org/record/10912982/files/figure.png" pageId="10" pageNumber="29">9P</figureCitation>
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<taxonomicName id="25D2EBF07E24FFED57B1FB8668356E9A" baseAuthorityName="Risso" baseAuthorityYear="1826" box="[151,327,1144,1168]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="10" pageNumber="29" phylum="Mollusca" rank="species" species="sulzeriana">Rissoa sulzeriana</taxonomicName>
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, fig. 071 (not 
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(
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, 95, pl. 1, figs 1–5 (not 
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<emphasis id="D0A64C617E24FFED57B1FB4968116EC4" box="[151,355,1206,1230]" italics="true" pageId="10" pageNumber="29">Pusillina sulzeriana</emphasis>
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— 
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, pl. 22, figs 8–12 (not 
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<emphasis id="D0A64C617E24FFED57B1FB2B68116EE6" box="[151,355,1236,1260]" italics="true" pageId="10" pageNumber="29">Pusillina sulzeriana</emphasis>
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— 
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Tabanelli 
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2011: 55
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, 67, pl. 8, figs 46–48 (not 
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<taxonomicName id="25D2EBF07E24FFED57B1FB0C68116F01" baseAuthorityName="Risso" baseAuthorityYear="1826" box="[151,355,1267,1291]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="10" pageNumber="29" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E24FFED57B1FB0C68116F01" box="[151,355,1267,1291]" italics="true" pageId="10" pageNumber="29">Pusillina sulzeriana</emphasis>
</taxonomicName>
— 
<treatmentCitation id="6373B6627E24FFED565BFB0C6BE26F01" author="Bellagamba, M. &amp; Micali, P. &amp; Caldarella, M." box="[381,656,1267,1291]" page="78" pageId="10" pageNumber="29" year="2018">
<bibRefCitation id="8643ED827E24FFED565BFB0C6BE26F01" author="Bellagamba, M. &amp; Micali, P. &amp; Caldarella, M." box="[381,656,1267,1291]" pageId="10" pageNumber="29" pagination="69 - 91" refId="ref9356" refString="Bellagamba, M., Micali, P. &amp; Caldarella, M. (2018) The Pliocenic molluscan fauna of &quot; Le Conchiglie &quot; (Lagune di Sasso Marconi, Bologna, Italy). Third and last contribution. Bollettino Malacologico, 54, 69 - 91." type="journal article" year="2018">
Bellagamba 
<emphasis id="D0A64C617E24FFED56DDFB0B6B5D6F01" box="[507,559,1267,1291]" italics="true" pageId="10" pageNumber="29">et al.</emphasis>
2018: 78
</bibRefCitation>
</treatmentCitation>
, pl. 1M, N (not 
<bibRefCitation id="8643ED827E24FFED5414FB0C6AD96F01" author="Risso, A." box="[818,939,1267,1291]" pageId="10" pageNumber="29" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
)
</treatmentCitationGroup>
</paragraph>
<paragraph id="E26D90737E24FFED57B1FAED6AA46F20" blockId="10.[151,1181,1144,1322]" box="[151,982,1298,1322]" pageId="10" pageNumber="29">
<treatmentCitationGroup id="C2C2B75D7E24FFED57B1FAED6AA46F20" box="[151,982,1298,1322]" pageId="10" pageNumber="29">
<taxonomicName id="25D2EBF07E24FFED57B1FAED68116F20" baseAuthorityName="Risso" baseAuthorityYear="1826" box="[151,355,1298,1322]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="10" pageNumber="29" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E24FFED57B1FAED68116F20" box="[151,355,1298,1322]" italics="true" pageId="10" pageNumber="29">Pusillina sulzeriana</emphasis>
</taxonomicName>
— 
<treatmentCitation id="6373B6627E24FFED565AFAED6B076F20" author="Tabanelli, C. &amp; Bertaccini, E. &amp; Bertamini, R. &amp; Bongiardino, C. &amp; Gardella, F. &amp; Petracci, P." box="[380,629,1298,1322]" page="36" pageId="10" pageNumber="29" year="2020">
<bibRefCitation id="8643ED827E24FFED565AFAED6B076F20" author="Tabanelli, C. &amp; Bertaccini, E. &amp; Bertamini, R. &amp; Bongiardino, C. &amp; Gardella, F. &amp; Petracci, P." box="[380,629,1298,1322]" pageId="10" pageNumber="29" pagination="19 - 40" refId="ref12809" refString="Tabanelli, C., Bertaccini, E., Bertamini, R., Bongiardino, C., Gardella, F. &amp; Petracci, P. (2020) La malacofauna dello &quot; spungone &quot;. Le famiglie Rissoidae e Rissoinidae: addenda et corrigenda (Mollusca: Caenogastropoda: Littorinimorpha: Rissoidae, Rissoinidae). Quaderno di Studi e Notizie di Storia Naturale della Romagna, 51, 19 - 40." type="journal article" year="2020">
Tabanelli 
<emphasis id="D0A64C617E24FFED56C6FAEC6B616F20" box="[480,531,1298,1322]" italics="true" pageId="10" pageNumber="29">et al.</emphasis>
2020: 36
</bibRefCitation>
</treatmentCitation>
, 37, pl. 1, fig. 13 (not 
<bibRefCitation id="8643ED827E24FFED5470FAED6ABD6F20" author="Risso, A." box="[854,975,1298,1322]" pageId="10" pageNumber="29" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
)
</treatmentCitationGroup>
</paragraph>
<paragraph id="E26D90737E24FFED57B1FAA768D46F9C" blockId="10.[151,1437,1368,1935]" pageId="10" pageNumber="29">
<emphasis id="D0A64C617E24FFED57B1FAA76B786F78" bold="true" box="[151,522,1368,1394]" pageId="10" pageNumber="29">Other iconographic references.</emphasis>
<bibRefCitation id="8643ED827E24FFED5537FAA76A516F78" author="Chirli, C. &amp; Linse, U." box="[529,803,1368,1394]" pageId="10" pageNumber="29" refId="ref10467" refString="Chirli, C. &amp; Linse, U. (2011) The Pleistocene Marine Gastropods of the Rhodes Island (Greece). Privately published by the author (C. C.), Tavernelle, 447 pp." type="book" year="2011">Chirli &amp; Linse 2011: 72</bibRefCitation>
, pl. 18, figs 6a–c; 
<bibRefCitation id="8643ED827E24FFED54D2FAA76C7F6F78" author="Chirli, C. &amp; Forli, M." box="[1012,1293,1368,1394]" pageId="10" pageNumber="29" refId="ref10431" refString="Chirli, C. &amp; Forli, M. (2021) The Family Rissoidae Gray, 1847 from Miocene to Present-day, in the Mediterranean Basin. Edizioni Danaus, Palermo, 466 pp." type="book" year="2021">Chirli &amp; Forli 2021: 290</bibRefCitation>
, 291, pls 44, 45, figs B1–15, A1–10).
</paragraph>
</subSubSection>
<subSubSection id="AAC8C3F87E24FFED57E1FA5F6C486FB0" box="[199,1338,1440,1467]" pageId="10" pageNumber="29" type="materials_examined">
<paragraph id="E26D90737E24FFED57E1FA5F6C486FB0" blockId="10.[151,1437,1368,1935]" box="[199,1338,1440,1467]" pageId="10" pageNumber="29">
<emphasis id="D0A64C617E24FFED57E1FA5F68C36FB0" bold="true" box="[199,433,1440,1466]" pageId="10" pageNumber="29">Material examined.</emphasis>
An intact adult specimen was found in stn COR 2-53 (see 
<tableCitation id="AF50A5C87E24FFED5364FA5F6DE46FB0" box="[1090,1174,1440,1466]" captionStart="TABLE 1" captionStartId="3.[152,244,151,175]" captionTargetBox="[163,1423,264,1906]" captionTargetPageId="3" captionText="TABLE 1. List of the studied rissoid species (the new taxa are in bold), with the number of shells collected at each station in the Strait of Sicily, their known depth range (in m), along with some relevant literature references, when available, and the figures in this work. Asterisks indicate samples considered of likely Pleistocene (*) or Pliocene (**) age." httpUri="http://table.plazi.org/id/B6ADC0FB7E2DFFE457BEFF686C696AF2" pageId="10" pageNumber="29" tableUuid="B6ADC0FB7E2DFFE457BEFF686C696AF2">Table 1</tableCitation>
; 
<figureCitation id="7AE98CF67E24FFED5385FA5F6C726FB0" box="[1187,1280,1440,1466]" captionStart="FIGURE 8" captionStartId="11.[151,250,1734,1758]" captionTargetBox="[151,1436,181,1709]" captionTargetId="figure-17@11.[151,1436,181,1709]" captionTargetPageId="11" captionText="FIGURE 8. A–G. Rissoa variabilis (Von Mühlfeldt, 1824). (A, B.) Lectotype of Alvania sulzeriana Risso, 1826 (MNHN-IM- 2000-35924) height 5 mm; (C.) Original drawing of Alvania sulzeriana Risso, 1826: 145, pl. IX, fig. 124; (D.) Drawing of the reproduction by P. Gény of the illustration by Risso (Arnaud, 1978: 141, pl. 8, fig 62); (E.) original drawings of Rissoa variabilis var. brevis B.D.D., 1884: pl. 31, figs 6-10; (F, G.) Specimens labelled as ‘Rissoa variabilis var. brevis’ by Monterosato, Saint Raphael, Côtes de Provence (France), height 5.4 mm (MCZR-M-22024/22032), shell (foto by Stefano Bartolini, Firenze) and original labels. H. Pusillina sp., stn COR 2-53, height 1.9 mm, width 1.15 mm (MZUB)." figureDoi="http://doi.org/10.5281/zenodo.10898502" httpUri="https://zenodo.org/record/10898502/files/figure.png" pageId="10" pageNumber="29">Figs 8H</figureCitation>
; 
<figureCitation id="7AE98CF67E24FFED522AFA5F6C5F6FB0" box="[1292,1325,1440,1466]" captionStart="FIGURE 9" captionStartId="13.[151,250,186,210]" captionTargetId="figure-387@13.[174,1414,738,1242]" captionTargetPageId="13" captionText="FIGURE 9. Rissoidae spp. A. Alvania cimicoides (Forbes, 1844) stn COR 2-53, height 3.8 mm, width 2.2 mm (MZUB); B. Alvania testae (Aradas &amp; Maggiore, 1844) stn COR 2-53, height 2.95 mm, width 1.45 mm (MZUB); C. Alvania subsoluta (Aradas, 1847) stn COR 2-53, height 2.55 mm, width 1.55 mm (MZUB); D. Alvania elegantissima (Monterosato, 1875) stn COR 2-53, height 1.85 mm, width 1.27 mm (MZUB); E. Alvania electa (Monterosato, 1874) stn COR 2-53, height, 1.72 mm, width 1.22 mm (MZUB); F. Alvania punctura (Montagu, 1803) stn COR 2-53, height 2.37 mm; width 1.32 mm (MZUB); G. Alvania pizzinii Amati, Smriglio &amp; Oliverio, 2020 stn COR 2-53, height 2.3 mm, width 1.3 mm (MZUB); H. Alvania scabra (Philippi, 1844) stn COR 2-53, height 2.15 mm, width 1.25 mm (MZUB); I. Alvania rudis (Philippi, 1844) stn COR 2-53, height 2.55 mm, width 1.32 mm (MZUB); J. Alvania clathrella L. Seguenza, 1903 stn COR 2-53, height 2.55 mm, width 1.55 mm (MZUB); K. Alvania mamillata Risso, 1826 stn COR 2-53, height 2 mm (MZUB); L. Alvania subcrenulata (Bucquoy, Dautzenberg &amp; Dollfus, 1884) stn COR 2-53, height 3.05 mm, width 1.9 mm (MZUB); M. Alvania zetlandica (Montagu, 1816) stn COR 2-53, height 2.7 mm, width 1.57 mm (MZUB); N. Alvania zetlandica (Montagu, 1816) stn COR 2-53, height 2.82 mm, width 1.7 mm (MZUB); O. Benthonella tenella (Jeffreys, 1869) stn COR 2-53, height 3.02 mm, width 2.15 mm (MZUB); P. Pusillina sp. stn COR 2-53, height 1.9 mm, width 1.15 mm (MZUB); Q. Pusillina inconspicua (Alder, 1844) stn COR 2-53, height 1.7 mm, width 1.05 mm (MZUB); R. Pusillina philippi (Aradas &amp; Maggiore, 1844) stn COR 2-53, height 1.75 mm, width 1 mm (MZUB); S. Rissoa lia (Monterosato, 1872) stn COR 2-53, height 3.15 mm" figureDoi="http://doi.org/10.5281/zenodo.10912982" httpUri="https://zenodo.org/record/10912982/files/figure.png" pageId="10" pageNumber="29">9P</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="AAC8C3F87E24FFED57E1FA3B6DEC6C2C" pageId="10" pageNumber="29" type="distribution">
<paragraph id="E26D90737E24FFED57E1FA3B6DEC6C2C" blockId="10.[151,1437,1368,1935]" pageId="10" pageNumber="29">
<emphasis id="D0A64C617E24FFED57E1FA3B68136FD4" bold="true" box="[199,353,1476,1502]" pageId="10" pageNumber="29">Distribution.</emphasis>
Pliocene: 
<collectingCountry id="9AC5D0E37E24FFED56FCFA3B6B7F6FD4" box="[474,525,1476,1502]" name="Italy" pageId="10" pageNumber="29">Italy</collectingCountry>
(
<collectingRegion id="20165E917E24FFED553BFA3B6BFE6FD4" box="[541,652,1476,1502]" country="Italy" name="Piemonte" pageId="10" pageNumber="29">Piedmont</collectingRegion>
) (
<bibRefCitation id="8643ED827E24FFED5582FA3B6A996FD5" author="Cavallo, O. &amp; Repetto, G." box="[676,1003,1476,1503]" pageId="10" pageNumber="29" refId="ref10363" refString="Cavallo, O. &amp; Repetto, G. (1992) Conchiglie fossili del Roero. Atlante iconografico. Associazione Naturalistica Piemontese &amp; Amici del Museo &quot; F. Eusebio &quot;, Alba, 253 pp." type="book" year="1992">Cavallo &amp; Repetto 1992: 50</bibRefCitation>
), 
<collectingRegion id="20165E917E24FFED5327FA3B6D216FD4" box="[1025,1107,1476,1502]" country="Italy" name="Liguria" pageId="10" pageNumber="29">Liguria</collectingRegion>
(
<bibRefCitation id="8643ED827E24FFED5342FA3B69C46C08" author="Bernasconi, M. &amp; Robba, E." pageId="10" pageNumber="29" pagination="71 - 102" refId="ref9490" refString="Bernasconi, M. &amp; Robba, E. (1994) Notes on some Pliocene Gastropods from Rio Torsero, western Liguria. Italy. Rivista Italiana di Paleontologia e Stratigrafia, 100 (1), 71 - 102." type="journal article" year="1994">Bernasconi &amp; Robba 1994: 73</bibRefCitation>
), 
<collectingRegion id="20165E917E24FFED57ECFA1768FB6C08" box="[202,393,1512,1538]" country="Italy" name="Emilia-Romagna" pageId="10" pageNumber="29">Emilia-Romagna</collectingRegion>
(
<bibRefCitation id="8643ED827E24FFED56B1FA176BD86C09" author="Tabanelli, C. &amp; Bongiardino, C. &amp; Perugia, I." box="[407,682,1512,1539]" pageId="10" pageNumber="29" pagination="27 - 76" refId="ref12749" refString="Tabanelli, C., Bongiardino, C. &amp; Perugia, I. (2011) Cingulopsidae e Rissoidae pliocenici provenienti dallo &quot; spungone &quot; (Pedeappennino romagnolo) e loro eventuale significato paleoambientale (Gastropoda Caenogastropoda Cingulopsidae, Rissoidae). Quaderno di Studi e Notizie di Storia Naturale della Romagna, 32, 27 - 76." type="journal article" year="2011">
Tabanelli 
<emphasis id="D0A64C617E24FFED5521FA166B4D6C08" box="[519,575,1512,1538]" italics="true" pageId="10" pageNumber="29">et al.</emphasis>
2011: 55
</bibRefCitation>
; 
<bibRefCitation id="8643ED827E24FFED5593FA176A976C08" author="Bellagamba, M. &amp; Micali, P. &amp; Caldarella, M." box="[693,997,1512,1538]" pageId="10" pageNumber="29" pagination="69 - 91" refId="ref9356" refString="Bellagamba, M., Micali, P. &amp; Caldarella, M. (2018) The Pliocenic molluscan fauna of &quot; Le Conchiglie &quot; (Lagune di Sasso Marconi, Bologna, Italy). Third and last contribution. Bollettino Malacologico, 54, 69 - 91." type="journal article" year="2018">
Bellagamba 
<emphasis id="D0A64C617E24FFED5467FA166A0B6C08" box="[833,889,1512,1538]" italics="true" pageId="10" pageNumber="29">et al.</emphasis>
2018: 78
</bibRefCitation>
; 
<bibRefCitation id="8643ED827E24FFED54C9FA176C736C09" author="Tabanelli, C. &amp; Bertaccini, E. &amp; Bertamini, R. &amp; Bongiardino, C. &amp; Gardella, F. &amp; Petracci, P." box="[1007,1281,1512,1539]" pageId="10" pageNumber="29" pagination="19 - 40" refId="ref12809" refString="Tabanelli, C., Bertaccini, E., Bertamini, R., Bongiardino, C., Gardella, F. &amp; Petracci, P. (2020) La malacofauna dello &quot; spungone &quot;. Le famiglie Rissoidae e Rissoinidae: addenda et corrigenda (Mollusca: Caenogastropoda: Littorinimorpha: Rissoidae, Rissoinidae). Quaderno di Studi e Notizie di Storia Naturale della Romagna, 51, 19 - 40." type="journal article" year="2020">
Tabanelli 
<emphasis id="D0A64C617E24FFED5378FA166DE46C08" box="[1118,1174,1512,1538]" italics="true" pageId="10" pageNumber="29">et al.</emphasis>
2020: 35
</bibRefCitation>
). Pleistocene: 
<collectingRegion id="20165E917E24FFED57B1F9F269876C2D" box="[151,245,1549,1575]" country="Italy" name="Toscana" pageId="10" pageNumber="29">Tuscany</collectingRegion>
(
<bibRefCitation id="8643ED827E24FFED5622F9F368C76C2C" author="Chirli, C." box="[260,437,1548,1574]" pageId="10" pageNumber="29" refId="ref10401" refString="Chirli, C. (2006) Malacofauna Pliocenica Toscana. Vol. 5. Caenogastropoda. Tipografia Color Print, Firenze, 144 pp., 46 pls." type="book" year="2006">Chirli 2006: 49</bibRefCitation>
). The shell from stn COR 2-53 is likely a Plio-Pleistocene sample.
</paragraph>
</subSubSection>
<subSubSection id="AAC8C3F87E24FFE957E1F9CF6B6A68A3" lastPageId="14" lastPageNumber="33" pageId="10" pageNumber="29" type="discussion">
<paragraph id="E26D90737E24FFED57E1F9CF6AAD6D84" blockId="10.[151,1437,1368,1935]" pageId="10" pageNumber="29">
<emphasis id="D0A64C617E24FFED57E1F9CF68496C40" bold="true" box="[199,315,1584,1610]" pageId="10" pageNumber="29">Remarks.</emphasis>
The specimen studied is very similar to the specimens reported in recent literature under the name 
<taxonomicName id="25D2EBF07E24FFED57B1F9AB6B6E6C64" authority="(Risso, 1826)" baseAuthorityName="Risso" baseAuthorityYear="1826" box="[151,540,1620,1646]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="10" pageNumber="29" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E24FFED57B1F9AB68086C64" box="[151,378,1620,1646]" italics="true" pageId="10" pageNumber="29">Pusillina sulzeriana</emphasis>
(
<bibRefCitation id="8643ED827E24FFED56AAF9AB6B616C64" author="Risso, A." box="[396,531,1620,1646]" pageId="10" pageNumber="29" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
)
</taxonomicName>
(see above, Other iconographic references). 
<taxonomicName id="25D2EBF07E24FFED533BF9AB6CF36C64" authority="Risso, 1826" authorityName="Risso" authorityYear="1826" box="[1053,1409,1620,1646]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="10" pageNumber="29" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E24FFED533BF9AB6D806C64" box="[1053,1266,1620,1646]" italics="true" pageId="10" pageNumber="29">Alvania sulzeriana</emphasis>
<bibRefCitation id="8643ED827E24FFED53DDF9AB6CF36C64" author="Risso, A." box="[1275,1409,1620,1646]" pageId="10" pageNumber="29" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
</taxonomicName>
is considered as a 
<emphasis id="D0A64C617E24FFED5663F9866B656C98" box="[325,535,1656,1682]" italics="true" pageId="10" pageNumber="29">taxon inquirendum</emphasis>
(MolluscaBase, 2023). The 
<typeStatus id="3D692ED17E24FFED5469F9876AC46C98" box="[847,950,1656,1682]" pageId="10" pageNumber="29" type="lectotype">lectotype</typeStatus>
of 
<taxonomicName id="25D2EBF07E24FFED54FEF9876DD86C98" authorityName="Risso" authorityYear="1826" box="[984,1194,1656,1682]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="10" pageNumber="29" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E24FFED54FEF9876DD86C98" box="[984,1194,1656,1682]" italics="true" pageId="10" pageNumber="29">Alvania sulzeriana</emphasis>
</taxonomicName>
(
<bibRefCitation id="8643ED827E24FFED539FF9876C076C99" author="Risso, A." box="[1209,1397,1656,1683]" pageId="10" pageNumber="29" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826: 145</bibRefCitation>
, pl. IX, fig. 124; MNHN-IM-2000-35924; 
<figureCitation id="7AE98CF67E24FFED556EF9636BB66CBC" box="[584,708,1692,1718]" captionStart="FIGURE 8" captionStartId="11.[151,250,1734,1758]" captionTargetBox="[151,1436,181,1709]" captionTargetId="figure-17@11.[151,1436,181,1709]" captionTargetPageId="11" captionText="FIGURE 8. A–G. Rissoa variabilis (Von Mühlfeldt, 1824). (A, B.) Lectotype of Alvania sulzeriana Risso, 1826 (MNHN-IM- 2000-35924) height 5 mm; (C.) Original drawing of Alvania sulzeriana Risso, 1826: 145, pl. IX, fig. 124; (D.) Drawing of the reproduction by P. Gény of the illustration by Risso (Arnaud, 1978: 141, pl. 8, fig 62); (E.) original drawings of Rissoa variabilis var. brevis B.D.D., 1884: pl. 31, figs 6-10; (F, G.) Specimens labelled as ‘Rissoa variabilis var. brevis’ by Monterosato, Saint Raphael, Côtes de Provence (France), height 5.4 mm (MCZR-M-22024/22032), shell (foto by Stefano Bartolini, Firenze) and original labels. H. Pusillina sp., stn COR 2-53, height 1.9 mm, width 1.15 mm (MZUB)." figureDoi="http://doi.org/10.5281/zenodo.10898502" httpUri="https://zenodo.org/record/10898502/files/figure.png" pageId="10" pageNumber="29">Figs 8A, B</figureCitation>
), a subfossil from the southern French coasts (http://coldb.mnhn. fr/catalognumber/mnhn/im/2000-35924), is definitely a specimen of the genus 
<taxonomicName id="25D2EBF07E24FFED530BF93E6D0A6CD0" authorityName="Desmarest" authorityYear="1814" box="[1069,1144,1729,1754]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="10" pageNumber="29" phylum="Mollusca" rank="genus">
<emphasis id="D0A64C617E24FFED530BF93E6D0A6CD0" box="[1069,1144,1729,1754]" italics="true" pageId="10" pageNumber="29">Rissoa</emphasis>
</taxonomicName>
, identifiable with 
<taxonomicName id="25D2EBF07E24FFED5274F93E6B716CF4" authority="(Von Muhlfeldt, 1824)" baseAuthorityName="Von Muhlfeldt" baseAuthorityYear="1824" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="10" pageNumber="29" phylum="Mollusca" rank="species" species="variabilis">
<emphasis id="D0A64C617E24FFED5274F93E68706CF4" italics="true" pageId="10" pageNumber="29">Rissoa variabilis</emphasis>
(Von Mühlfeldt, 1824)
</taxonomicName>
especially in its form 
<emphasis id="D0A64C617E24FFED55D1F91B6A486CF4" box="[759,826,1764,1790]" italics="true" pageId="10" pageNumber="29">brevis</emphasis>
(Monterosato in BDD, 1884: 265, pl. XXXI, figs 6–10 = 
<taxonomicName id="25D2EBF07E24FFED5789F8F66B316D29" authority="Locard, 1886: 256" authorityName="Locard" authorityPageNumber="256" authorityYear="1886" box="[175,579,1800,1827]" class="Gastropoda" family="Rissoidae" genus="Rissoia" kingdom="Animalia" order="Littorinimorpha" pageId="10" pageNumber="29" phylum="Mollusca" rank="species" species="neglecta">
<emphasis id="D0A64C617E24FFED5789F8F6681B6D28" box="[175,361,1800,1826]" italics="true" pageId="10" pageNumber="29">Rissoia neglecta</emphasis>
<bibRefCitation id="8643ED827E24FFED5657F8F76B316D29" author="Locard, A." box="[369,579,1800,1827]" pageId="10" pageNumber="29" refId="ref11501" refString="Locard, A. (1886) Prodrome de malacologie francaise. Catalogue general des mollusques vivants de France. Mollusques marins. H. Georg, Lyon &amp; Bailliere, Paris, x + 778 pp. https: // doi. org / 10.5962 / bhl. title. 10270" type="book" year="1886">Locard, 1886: 256</bibRefCitation>
</taxonomicName>
) (
<figureCitation id="7AE98CF67E24FFED557CF8F76BD86D28" box="[602,682,1800,1826]" captionStart="FIGURE 8" captionStartId="11.[151,250,1734,1758]" captionTargetBox="[151,1436,181,1709]" captionTargetId="figure-17@11.[151,1436,181,1709]" captionTargetPageId="11" captionText="FIGURE 8. A–G. Rissoa variabilis (Von Mühlfeldt, 1824). (A, B.) Lectotype of Alvania sulzeriana Risso, 1826 (MNHN-IM- 2000-35924) height 5 mm; (C.) Original drawing of Alvania sulzeriana Risso, 1826: 145, pl. IX, fig. 124; (D.) Drawing of the reproduction by P. Gény of the illustration by Risso (Arnaud, 1978: 141, pl. 8, fig 62); (E.) original drawings of Rissoa variabilis var. brevis B.D.D., 1884: pl. 31, figs 6-10; (F, G.) Specimens labelled as ‘Rissoa variabilis var. brevis’ by Monterosato, Saint Raphael, Côtes de Provence (France), height 5.4 mm (MCZR-M-22024/22032), shell (foto by Stefano Bartolini, Firenze) and original labels. H. Pusillina sp., stn COR 2-53, height 1.9 mm, width 1.15 mm (MZUB)." figureDoi="http://doi.org/10.5281/zenodo.10898502" httpUri="https://zenodo.org/record/10898502/files/figure.png" pageId="10" pageNumber="29">Fig 8E</figureCitation>
), based on the large size (
<typeStatus id="3D692ED17E24FFED54F7F8F76D4E6D28" box="[977,1084,1800,1826]" pageId="10" pageNumber="29" type="lectotype">lectotype</typeStatus>
, height 
<quantity id="252A3D967E24FFED53B1F8F76DAE6D29" box="[1175,1244,1800,1827]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="10" pageNumber="29" unit="mm" value="5.0">5 mm</quantity>
; 
<typeStatus id="3D692ED17E24FFED53CEF8F76CF06D28" box="[1256,1410,1800,1826]" pageId="10" pageNumber="29" type="paralectotype">paralectotype</typeStatus>
, 
<quantity id="252A3D967E24FFED52A8F8F769B56D4C" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="10" pageNumber="29" unit="mm" value="6.0">6 mm</quantity>
), robustness of the shell, low height/width ratio, presence of axial ribs with abapical thickening, and dense spiral striae on the whorls (see for comparison also the specimen of 
<taxonomicName id="25D2EBF07E24FFED546FF8AE6C646D61" authority="Monterosato" authorityName="Monterosato" box="[841,1302,1872,1899]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="10" pageNumber="29" phylum="Mollusca" rank="variety" species="variabilis" variety="brevis">
<emphasis id="D0A64C617E24FFED546FF8AE6D776D60" box="[841,1029,1872,1898]" italics="true" pageId="10" pageNumber="29">Rissoa variabilis</emphasis>
var. 
<emphasis id="D0A64C617E24FFED531AF8AF6D0D6D60" box="[1084,1151,1872,1898]" italics="true" pageId="10" pageNumber="29">brevis</emphasis>
Monterosato
</taxonomicName>
, MCZR-M-22024/22032, from Saint Raphael, Côtes de Provence, 
<collectingCountry id="9AC5D0E37E24FFED55D9F88A6A226D85" box="[767,848,1909,1935]" name="France" pageId="10" pageNumber="29">France</collectingCountry>
: 
<figureCitation id="7AE98CF67E24FFED547CF88B6AA16D84" box="[858,979,1908,1934]" captionStart="FIGURE 8" captionStartId="11.[151,250,1734,1758]" captionTargetBox="[151,1436,181,1709]" captionTargetId="figure-17@11.[151,1436,181,1709]" captionTargetPageId="11" captionText="FIGURE 8. A–G. Rissoa variabilis (Von Mühlfeldt, 1824). (A, B.) Lectotype of Alvania sulzeriana Risso, 1826 (MNHN-IM- 2000-35924) height 5 mm; (C.) Original drawing of Alvania sulzeriana Risso, 1826: 145, pl. IX, fig. 124; (D.) Drawing of the reproduction by P. Gény of the illustration by Risso (Arnaud, 1978: 141, pl. 8, fig 62); (E.) original drawings of Rissoa variabilis var. brevis B.D.D., 1884: pl. 31, figs 6-10; (F, G.) Specimens labelled as ‘Rissoa variabilis var. brevis’ by Monterosato, Saint Raphael, Côtes de Provence (France), height 5.4 mm (MCZR-M-22024/22032), shell (foto by Stefano Bartolini, Firenze) and original labels. H. Pusillina sp., stn COR 2-53, height 1.9 mm, width 1.15 mm (MZUB)." figureDoi="http://doi.org/10.5281/zenodo.10898502" httpUri="https://zenodo.org/record/10898502/files/figure.png" pageId="10" pageNumber="29">Figs 8F, G</figureCitation>
).
</paragraph>
<caption id="B6ADC0FB7E25FFEC57B1F9396D696D98" ID-DOI="http://doi.org/10.5281/zenodo.10898502" ID-Zenodo-Dep="10898502" httpUri="https://zenodo.org/record/10898502/files/figure.png" pageId="11" pageNumber="30" startId="11.[151,250,1734,1758]" targetBox="[151,1436,181,1709]" targetPageId="11" targetType="figure">
<paragraph id="E26D90737E25FFEC57B1F9396D696D98" blockId="11.[151,1437,1734,1938]" pageId="11" pageNumber="30">
<emphasis id="D0A64C617E25FFEC57B1F93968216CD4" bold="true" box="[151,339,1734,1758]" pageId="11" pageNumber="30">FIGURE 8. A–G.</emphasis>
<taxonomicName id="25D2EBF07E25FFEC567FF9386B866CD4" authority="(Von Muhlfeldt, 1824)" baseAuthorityName="Von Muhlfeldt" baseAuthorityYear="1824" box="[345,756,1734,1758]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="11" pageNumber="30" phylum="Mollusca" rank="species" species="variabilis">
<emphasis id="D0A64C617E25FFEC567FF9386B776CD4" box="[345,517,1734,1758]" italics="true" pageId="11" pageNumber="30">Rissoa variabilis</emphasis>
(Von Mühlfeldt, 1824)
</taxonomicName>
. (A, B.) Lectotype of 
<taxonomicName id="25D2EBF07E25FFEC54F4F9396C626CD4" authority="Risso, 1826" authorityName="Risso" authorityYear="1826" box="[978,1296,1734,1758]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="11" pageNumber="30" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E25FFEC54F4F9396DE06CD4" box="[978,1170,1734,1758]" italics="true" pageId="11" pageNumber="30">Alvania sulzeriana</emphasis>
<bibRefCitation id="8643ED827E25FFEC53BEF9396C626CD4" author="Risso, A." box="[1176,1296,1734,1758]" pageId="11" pageNumber="30" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
</taxonomicName>
(MNHN-IM-2000-35924) height 5 mm; (C.) Original drawing of 
<taxonomicName id="25D2EBF07E25FFEC5588F9156D506D08" authority="Risso, 1826: 145" authorityName="Risso" authorityPageNumber="145" authorityYear="1826" box="[686,1058,1770,1794]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="11" pageNumber="30" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E25FFEC5588F9156A1C6D08" box="[686,878,1770,1794]" italics="true" pageId="11" pageNumber="30">Alvania sulzeriana</emphasis>
<bibRefCitation id="8643ED827E25FFEC5452F9156D506D08" author="Risso, A." box="[884,1058,1770,1794]" pageId="11" pageNumber="30" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826: 145</bibRefCitation>
</taxonomicName>
, pl. IX, fig. 124; (D.) Drawing of the reproduction by P. Gény of the illustration by Risso (
<bibRefCitation id="8643ED827E25FFEC5583F8F16A176D2C" author="Arnaud, P. M." box="[677,869,1806,1830]" pageId="11" pageNumber="30" pagination="101 - 150" refId="ref9236" refString="Arnaud, P. M. (1978) Revision des taxa malacologiques mediterraneens introduits par Antoine Risso. Annales du Museum d'Histoire Naturelle de Nice, Tome 5, 101 - 150. [1977]" type="journal article" year="1978">Arnaud, 1978: 141</bibRefCitation>
, pl. 8, fig 62); (E.) original drawings of 
<taxonomicName id="25D2EBF07E25FFEC53D4F8F068736D40" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="11" pageNumber="30" phylum="Mollusca" rank="variety" species="variabilis" variety="brevis">
<emphasis id="D0A64C617E25FFEC53D4F8F06CEE6D2C" box="[1266,1436,1806,1830]" italics="true" pageId="11" pageNumber="30">Rissoa variabilis</emphasis>
var. 
<emphasis id="D0A64C617E25FFEC57E2F8CD68736D40" box="[196,257,1842,1866]" italics="true" pageId="11" pageNumber="30">brevis</emphasis>
</taxonomicName>
B.D.D., 1884: pl. 31, figs 6-10; (F, G.) Specimens labelled as ‘ 
<taxonomicName id="25D2EBF07E25FFEC54ABF8CC6DD86D40" box="[909,1194,1842,1866]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="11" pageNumber="30" phylum="Mollusca" rank="variety" species="variabilis" variety="brevis">
<emphasis id="D0A64C617E25FFEC54ABF8CC6D4B6D40" box="[909,1081,1842,1866]" italics="true" pageId="11" pageNumber="30">Rissoa variabilis</emphasis>
var. 
<emphasis id="D0A64C617E25FFEC534BF8CD6DD86D40" box="[1133,1194,1842,1866]" italics="true" pageId="11" pageNumber="30">brevis</emphasis>
</taxonomicName>
’ by Monterosato, Saint Raphael, Côtes de Provence (France), height 5.4 mm (MCZR-M-22024/22032), shell (foto by Stefano Bartolini, Firenze) and original labels. 
<emphasis id="D0A64C617E25FFEC5612F885683A6D98" bold="true" box="[308,328,1914,1938]" pageId="11" pageNumber="30">H</emphasis>
. 
<taxonomicName id="25D2EBF07E25FFEC5672F88568A76D98" box="[340,469,1914,1938]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="11" pageNumber="30" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="D0A64C617E25FFEC5672F88568C26D98" box="[340,432,1914,1938]" italics="true" pageId="11" pageNumber="30">Pusillina</emphasis>
sp.
</taxonomicName>
, stn COR 2-53, height 1.9 mm, width 1.15 mm (MZUB).
</paragraph>
</caption>
<caption id="B6ADC0FB7E23FFEA57B1FF456AA668C0" ID-DOI="http://doi.org/10.5281/zenodo.10912982" ID-Zenodo-Dep="10912982" httpUri="https://zenodo.org/record/10912982/files/figure.png" pageId="13" pageNumber="32" startId="13.[151,250,186,210]" targetBox="[174,1414,738,1242]" targetPageId="13" targetType="figure">
<paragraph id="E26D90737E23FFEA57B1FF456AA668C0" blockId="13.[151,1437,186,714]" pageId="13" pageNumber="32">
<emphasis id="D0A64C617E23FFEA57B1FF4568666AD8" bold="true" box="[151,276,186,210]" pageId="13" pageNumber="32">FIGURE 9.</emphasis>
<taxonomicName id="25D2EBF07E23FFEA563AFF45680D6AD8" authorityName="Gray" authorityYear="1847" box="[284,383,186,210]" class="Gastropoda" family="Rissoidae" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="family">Rissoidae</taxonomicName>
spp. 
<emphasis id="D0A64C617E23FFEA569EFF4568B86AD8" bold="true" box="[440,458,186,210]" pageId="13" pageNumber="32">A</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA56FEFF456A486AD8" authority="(Forbes, 1844)" baseAuthorityName="Forbes" baseAuthorityYear="1844" box="[472,826,186,210]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="cimicoides">
<emphasis id="D0A64C617E23FFEA56FEFF456BE96AD8" box="[472,667,186,210]" italics="true" pageId="13" pageNumber="32">Alvania cimicoides</emphasis>
(Forbes, 1844)
</taxonomicName>
stn COR 2-53, height 3.8 mm, width 2.2 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA52A3FF456CE46AD8" bold="true" box="[1413,1430,186,210]" pageId="13" pageNumber="32">B</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA57B1FF216B266AFC" authority="(Aradas &amp; Maggiore, 1844)" baseAuthorityName="Aradas &amp; Maggiore" baseAuthorityYear="1844" box="[151,596,222,246]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="testae">
<emphasis id="D0A64C617E23FFEA57B1FF2168586AFC" box="[151,298,222,246]" italics="true" pageId="13" pageNumber="32">Alvania testae</emphasis>
(Aradas &amp; Maggiore, 1844)
</taxonomicName>
stn COR 2-53, height 2.95 mm, width 1.45 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA53E4FF216DA66AFC" bold="true" box="[1218,1236,222,246]" pageId="13" pageNumber="32">C</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA53C2FF2168436B10" authority="(Aradas, 1847)" baseAuthorityName="Aradas" baseAuthorityYear="1847" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="subsoluta">
<emphasis id="D0A64C617E23FFEA53C2FF216CEE6AFC" box="[1252,1436,222,246]" italics="true" pageId="13" pageNumber="32">Alvania subsoluta</emphasis>
(Aradas, 1847)
</taxonomicName>
stn COR 2-53, height 2.55 mm, width 1.55 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA54BFFEFD6AD96B10" bold="true" box="[921,939,258,282]" pageId="13" pageNumber="32">D</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA549CFEFD6C046B10" authority="(Monterosato, 1875)" baseAuthorityName="Monterosato" baseAuthorityYear="1875" box="[954,1398,258,282]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="elegantissima">
<emphasis id="D0A64C617E23FFEA549CFEFD6DEE6B10" box="[954,1180,258,282]" italics="true" pageId="13" pageNumber="32">Alvania elegantissima</emphasis>
(Monterosato, 1875)
</taxonomicName>
stn COR 2-53, height 1.85 mm, width 1.27 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA55E3FED96BA46B34" bold="true" box="[709,726,294,318]" pageId="13" pageNumber="32">E</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA55C5FED96D3F6B34" authority="(Monterosato, 1874)" baseAuthorityName="Monterosato" baseAuthorityYear="1874" box="[739,1101,294,318]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="electa">
<emphasis id="D0A64C617E23FFEA55C5FED96A076B34" box="[739,885,294,318]" italics="true" pageId="13" pageNumber="32">Alvania electa</emphasis>
(Monterosato, 1874)
</taxonomicName>
stn COR 2-53, height, 1.72 mm, width 1.22 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA5684FEB568C36B68" bold="true" box="[418,433,330,354]" pageId="13" pageNumber="32">F</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA5699FEB56A566B68" authority="(Montagu, 1803)" baseAuthorityName="Montagu" baseAuthorityYear="1803" box="[447,804,330,354]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="punctura">
<emphasis id="D0A64C617E23FFEA5699FEB56B026B68" box="[447,624,330,354]" italics="true" pageId="13" pageNumber="32">Alvania punctura</emphasis>
(Montagu, 1803)
</taxonomicName>
stn COR 2-53, height 2.37 mm; width 1.32 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA52A4FEB56CE46B68" bold="true" box="[1410,1430,330,354]" pageId="13" pageNumber="32">G</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA57B1FE916BE96B8C" authority="Amati, Smriglio &amp; Oliverio, 2020" authorityName="Amati, Smriglio &amp; Oliverio" authorityYear="2020" box="[151,667,366,390]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="pizzinii">
<emphasis id="D0A64C617E23FFEA57B1FE9168446B8C" box="[151,310,366,390]" italics="true" pageId="13" pageNumber="32">Alvania pizzinii</emphasis>
<bibRefCitation id="8643ED827E23FFEA5618FE916BE96B8C" author="Amati, B. &amp; Appolloni, M. &amp; Di Giulio, A. &amp; Scuderi, D. &amp; Smriglio, C. &amp; Oliverio, M." box="[318,667,366,390]" pageId="13" pageNumber="32" pagination="415 - 458" refId="ref8944" refString="Amati, B., Appolloni, M., Di Giulio, A., Scuderi, D., Smriglio, C. &amp; Oliverio, M. (2020) Revision of the Recent Alvania scabra (Philippi, 1844) complex (Mollusca, Gastropoda, Rissoidae) from the Mediterranean Sea with the description of a new species. Zootaxa, 4767 (3), 415 - 458. https: // doi. org / 10.11646 / zootaxa. 4767.3.3" type="journal article" year="2020">Amati, Smriglio &amp; Oliverio, 2020</bibRefCitation>
</taxonomicName>
stn COR 2-53, height 2.3 mm, width 1.3 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA53C6FE916D866B8C" bold="true" box="[1248,1268,366,390]" pageId="13" pageNumber="32">H</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA5227FE9168486BA0" authority="(Philippi, 1844)" baseAuthorityName="Philippi" baseAuthorityYear="1844" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="scabra">
<emphasis id="D0A64C617E23FFEA5227FE916CEE6B8C" box="[1281,1436,366,390]" italics="true" pageId="13" pageNumber="32">Alvania scabra</emphasis>
(Philippi, 1844)
</taxonomicName>
stn COR 2-53, height 2.15 mm, width 1.25 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA548CFE6D6AC66BA0" bold="true" box="[938,948,402,426]" pageId="13" pageNumber="32">I</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA54E5FE6D6D896BA0" authority="(Philippi, 1844)" baseAuthorityName="Philippi" baseAuthorityYear="1844" box="[963,1275,402,426]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="rudis">
<emphasis id="D0A64C617E23FFEA54E5FE6D6D3D6BA0" box="[963,1103,402,426]" italics="true" pageId="13" pageNumber="32">Alvania rudis</emphasis>
(Philippi, 1844)
</taxonomicName>
stn COR 2-53, height 2.55 mm, width 1.32 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA556BFE496B286BC4" bold="true" box="[589,602,438,462]" pageId="13" pageNumber="32">J</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA5541FE496A906BC4" authority="L. Seguenza, 1903" authorityName="L. Seguenza" authorityYear="1903" box="[615,994,438,462]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="clathrella">
<emphasis id="D0A64C617E23FFEA5541FE496A6C6BC4" box="[615,798,438,462]" italics="true" pageId="13" pageNumber="32">Alvania clathrella</emphasis>
L. Seguenza, 1903
</taxonomicName>
stn COR 2-53, height 2.55 mm, width 1.55 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA5616FE2568366BF8" bold="true" box="[304,324,474,498]" pageId="13" pageNumber="32">K</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA5675FE256BE16BF8" authority="Risso, 1826" authorityName="Risso" authorityYear="1826" box="[339,659,474,498]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="mamillata">
<emphasis id="D0A64C617E23FFEA5675FE256B636BF8" box="[339,529,474,498]" italics="true" pageId="13" pageNumber="32">Alvania mamillata</emphasis>
<bibRefCitation id="8643ED827E23FFEA553FFE256BE16BF8" author="Risso, A." box="[537,659,474,498]" pageId="13" pageNumber="32" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
</taxonomicName>
stn COR 2-53, height 2 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA5317FE256D306BF8" bold="true" box="[1073,1090,474,498]" pageId="13" pageNumber="32">L</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA5377FE2568B8681C" authority="(Bucquoy, Dautzenberg &amp; Dollfus, 1884)" baseAuthorityName="Bucquoy, Dautzenberg &amp; Dollfus" baseAuthorityYear="1884" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="subcrenulata">
<emphasis id="D0A64C617E23FFEA5377FE256C596BF8" box="[1105,1323,474,498]" italics="true" pageId="13" pageNumber="32">Alvania subcrenulata</emphasis>
(Bucquoy, Dautzenberg &amp; Dollfus, 1884)
</taxonomicName>
stn COR 2-53, height 3.05 mm, width 1.9 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA532DFE016D51681C" bold="true" box="[1035,1059,510,534]" pageId="13" pageNumber="32">M</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA5309FE016CEE681C" authority="(Montagu, 1816)" baseAuthorityName="Montagu" baseAuthorityYear="1816" box="[1071,1436,510,534]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="zetlandica">
<emphasis id="D0A64C617E23FFEA5309FE016D99681C" box="[1071,1259,510,534]" italics="true" pageId="13" pageNumber="32">Alvania zetlandica</emphasis>
(Montagu, 1816)
</taxonomicName>
stn COR 2-53, height 2.7 mm, width 1.57 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA55F6FDDD6B906830" bold="true" box="[720,738,546,570]" pageId="13" pageNumber="32">N</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA55C8FDDD6D296830" authority="(Montagu, 1816)" baseAuthorityName="Montagu" baseAuthorityYear="1816" box="[750,1115,546,570]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="zetlandica">
<emphasis id="D0A64C617E23FFEA55C8FDDD6AD96830" box="[750,939,546,570]" italics="true" pageId="13" pageNumber="32">Alvania zetlandica</emphasis>
(Montagu, 1816)
</taxonomicName>
stn COR 2-53, height 2.82 mm, width 1.7 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA56B1FDB968D96854" bold="true" box="[407,427,582,606]" pageId="13" pageNumber="32">O</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA569EFDB96A556854" authority="(Jeffreys, 1869)" baseAuthorityName="Jeffreys" baseAuthorityYear="1869" box="[440,807,582,606]" class="Gastropoda" family="Rissoidae" genus="Benthonella" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="tenella">
<emphasis id="D0A64C617E23FFEA569EFDB96B0D6854" box="[440,639,582,606]" italics="true" pageId="13" pageNumber="32">Benthonella tenella</emphasis>
(Jeffreys, 1869)
</taxonomicName>
stn COR 2-53, height 3.02 mm, width 2.15 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA52A0FDB96CE76854" bold="true" box="[1414,1429,582,606]" pageId="13" pageNumber="32">P</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA57B1FD9568656888" box="[151,279,618,642]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="D0A64C617E23FFEA57B1FD9569816888" box="[151,243,618,642]" italics="true" pageId="13" pageNumber="32">Pusillina</emphasis>
sp.
</taxonomicName>
stn COR 2-53, height 1.9 mm, width 1.15 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA544BFD956AF36888" bold="true" box="[877,897,618,642]" pageId="13" pageNumber="32">Q</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA54A9FD956D8D6888" authority="(Alder, 1844)" baseAuthorityName="Alder" baseAuthorityYear="1844" box="[911,1279,618,642]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="inconspicua">
<emphasis id="D0A64C617E23FFEA54A9FD956D1E6888" box="[911,1132,618,642]" italics="true" pageId="13" pageNumber="32">Pusillina inconspicua</emphasis>
(Alder, 1844)
</taxonomicName>
stn COR 2-53, height 1.7 mm, width 1.05 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA5510FD716B3A68AC" bold="true" box="[566,584,654,678]" pageId="13" pageNumber="32">R</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA5572FD716D6D68AC" authority="(Aradas &amp; Maggiore, 1844)" baseAuthorityName="Aradas &amp; Maggiore" baseAuthorityYear="1844" box="[596,1055,654,678]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="philippi">
<emphasis id="D0A64C617E23FFEA5572FD716A7168AC" box="[596,771,654,678]" italics="true" pageId="13" pageNumber="32">Pusillina philippi</emphasis>
(Aradas &amp; Maggiore, 1844)
</taxonomicName>
stn COR 2-53, height 1.75 mm, width 1 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA5619FD4D683F68C0" bold="true" box="[319,333,690,714]" pageId="13" pageNumber="32">S</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA567CFD4C6BE768C0" authority="(Monterosato, 1872)" baseAuthorityName="Monterosato" baseAuthorityYear="1872" box="[346,661,690,714]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="lia">
<emphasis id="D0A64C617E23FFEA567CFD4C68CD68C0" box="[346,447,690,714]" italics="true" pageId="13" pageNumber="32">Rissoa lia</emphasis>
(Monterosato, 1872)
</taxonomicName>
stn COR 2-53, height 3.15 mm
</paragraph>
</caption>
<caption id="B6ADC0FB7E23FFEA57B1FB0D6CE56F58" ID-DOI="http://doi.org/10.5281/zenodo.10898504" ID-Zenodo-Dep="10898504" httpUri="https://zenodo.org/record/10898504/files/figure.png" pageId="13" pageNumber="32" startId="13.[151,250,1266,1290]" targetBox="[174,1414,738,1242]" targetPageId="13" targetType="figure">
<paragraph id="E26D90737E23FFEA57B1FB0D6CE56F58" blockId="13.[151,1437,1266,1362]" pageId="13" pageNumber="32">
<emphasis id="D0A64C617E23FFEA57B1FB0D686C6F00" bold="true" box="[151,286,1266,1290]" pageId="13" pageNumber="32">FIGURE 10.</emphasis>
<taxonomicName id="25D2EBF07E23FFEA5604FB0D68F76F00" authorityName="Gray" authorityYear="1847" box="[290,389,1266,1290]" class="Gastropoda" family="Rissoidae" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="family">Rissoidae</taxonomicName>
spp. 
<emphasis id="D0A64C617E23FFEA5691FB0D68BB6F00" bold="true" box="[439,457,1266,1290]" pageId="13" pageNumber="32">A</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA56F5FB0D6B126F00" authority="Amati &amp; Taviani &amp; Oliverio, 2024" authorityName="Amati &amp; Taviani &amp; Oliverio" authorityYear="2024" box="[467,608,1266,1290]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="ismar" status="sp. nov.">
<emphasis id="D0A64C617E23FFEA56F5FB0D6B126F00" box="[467,608,1266,1290]" italics="true" pageId="13" pageNumber="32">Alvania ismar</emphasis>
</taxonomicName>
<taxonomicNameLabel id="CB95F11A7E23FFEA5542FB0D6BEB6F03" box="[612,665,1266,1289]" pageId="13" pageNumber="32" rank="species">n. sp.</taxonomicNameLabel>
Holotype, stn COR 2-53, height 2.87 mm, width 1.7 mm (MNHN.F.A92062); 
<emphasis id="D0A64C617E23FFEA57B1FAE969DA6F24" bold="true" box="[151,168,1302,1326]" pageId="13" pageNumber="32">B</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA5792FAE9689D6F24" authority="Risso, 1826" authorityName="Risso" authorityYear="1826" box="[180,495,1302,1326]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="mamillata">
<emphasis id="D0A64C617E23FFEA5792FAE968036F24" box="[180,369,1302,1326]" italics="true" pageId="13" pageNumber="32">Alvania mamillata</emphasis>
<bibRefCitation id="8643ED827E23FFEA5651FAE9689D6F24" author="Risso, A." box="[375,495,1302,1326]" pageId="13" pageNumber="32" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
</taxonomicName>
stn COR 2-53, height 2.8 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA54B7FAE96AD16F24" bold="true" box="[913,931,1302,1326]" pageId="13" pageNumber="32">C</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA5496FAE96D506F27" box="[944,1058,1302,1326]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="D0A64C617E23FFEA5496FAE96A8D6F24" box="[944,1023,1302,1326]" italics="true" pageId="13" pageNumber="32">Alvania</emphasis>
sp.
</taxonomicName>
stn COR 2-53, height 2.1 mm, width 1.3 mm (MZUB); 
<emphasis id="D0A64C617E23FFEA5674FAC568166F58" bold="true" box="[338,356,1338,1362]" pageId="13" pageNumber="32">D</emphasis>
. 
<taxonomicName id="25D2EBF07E23FFEA5657FAC46B416F58" authority="Amati &amp; Taviani &amp; Oliverio, 2024" authorityName="Amati &amp; Taviani &amp; Oliverio" authorityYear="2024" box="[369,563,1338,1362]" class="Gastropoda" family="Rissoidae" genus="Manzonia" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="schmidti" status="sp. nov.">
<emphasis id="D0A64C617E23FFEA5657FAC46B416F58" box="[369,563,1338,1362]" italics="true" pageId="13" pageNumber="32">Manzonia schmidti</emphasis>
</taxonomicName>
<taxonomicNameLabel id="CB95F11A7E23FFEA551FFAC56B026F5B" box="[569,624,1338,1361]" pageId="13" pageNumber="32" rank="species">n. sp.</taxonomicNameLabel>
Holotype, stn COR 2-53, height 2.35 mm, width 1.27 mm (MNHN.F.A92063).
</paragraph>
</caption>
<paragraph id="E26D90737E23FFEA57E1FA5B6BE36C9D" blockId="13.[151,1437,1444,2011]" pageId="13" pageNumber="32">
After the original description of 
<taxonomicName id="25D2EBF07E23FFEA5509FA5B6AFC6FB4" authority="Risso, 1826" authorityName="Risso" authorityYear="1826" box="[559,910,1444,1470]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E23FFEA5509FA5B6A736FB4" box="[559,769,1444,1470]" italics="true" pageId="13" pageNumber="32">Alvania sulzeriana</emphasis>
<bibRefCitation id="8643ED827E23FFEA5421FA5B6AFC6FB4" author="Risso, A." box="[775,910,1444,1470]" pageId="13" pageNumber="32" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
</taxonomicName>
, subsequent authors used this name, essentially due to the ambiguous description and the hardly interpretable original drawing, for their specimens of 
<taxonomicName id="25D2EBF07E23FFEA5263FA37686D6C0C" authority="Risso, 1826" authorityName="Risso" authorityYear="1826" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="genus">
<emphasis id="D0A64C617E23FFEA5263FA376CEE6FE8" box="[1349,1436,1480,1506]" italics="true" pageId="13" pageNumber="32">Alvania</emphasis>
<bibRefCitation id="8643ED827E23FFEA57B1FA13686D6C0C" author="Risso, A." box="[151,287,1516,1542]" pageId="13" pageNumber="32" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
</taxonomicName>
, 
<taxonomicName id="25D2EBF07E23FFEA560CFA126B496C0C" authority="Desmarest, 1814" authorityName="Desmarest" authorityYear="1814" box="[298,571,1516,1543]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="genus">
<emphasis id="D0A64C617E23FFEA560CFA1268076C0C" box="[298,373,1517,1542]" italics="true" pageId="13" pageNumber="32">Rissoa</emphasis>
Desmarest, 1814
</taxonomicName>
, 
<taxonomicName id="25D2EBF07E23FFEA5560FA136AEB6C0C" authority="Monterosato, 1884" authorityName="Monterosato" authorityYear="1884" box="[582,921,1516,1543]" class="Gastropoda" family="Rissoidae" genus="Apicularia" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="genus">
<emphasis id="D0A64C617E23FFEA5560FA136BCC6C0C" box="[582,702,1516,1542]" italics="true" pageId="13" pageNumber="32">Apicularia</emphasis>
<bibRefCitation id="8643ED827E23FFEA55E3FA126AEB6C0C" author="Monterosato, T. A." box="[709,921,1516,1543]" pageId="13" pageNumber="32" refId="ref11742" refString="Monterosato, T. A. (1884) Nomenclatura generica e specifica di alcune conchiglie mediterranee. Virzi Typography for the Author, Palermo, 152 pp. https: // doi. org / 10.5962 / bhl. title. 51528" type="book" year="1884">Monterosato, 1884</bibRefCitation>
</taxonomicName>
and 
<taxonomicName id="25D2EBF07E23FFEA54F6FA136C616C0C" authority="Monterosato, 1884" authorityName="Monterosato" authorityYear="1884" box="[976,1299,1516,1543]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="genus">
<emphasis id="D0A64C617E23FFEA54F6FA136D476C0C" box="[976,1077,1516,1542]" italics="true" pageId="13" pageNumber="32">Pusillina</emphasis>
<bibRefCitation id="8643ED827E23FFEA531AFA126C616C0C" author="Monterosato, T. A." box="[1084,1299,1516,1543]" pageId="13" pageNumber="32" refId="ref11742" refString="Monterosato, T. A. (1884) Nomenclatura generica e specifica di alcune conchiglie mediterranee. Virzi Typography for the Author, Palermo, 152 pp. https: // doi. org / 10.5962 / bhl. title. 51528" type="book" year="1884">Monterosato, 1884</bibRefCitation>
</taxonomicName>
. It is known (
<bibRefCitation id="8643ED827E23FFEA57B9F9EF68066C20" author="Arnaud, P. M." box="[159,372,1552,1578]" pageId="13" pageNumber="32" pagination="101 - 150" refId="ref9236" refString="Arnaud, P. M. (1978) Revision des taxa malacologiques mediterraneens introduits par Antoine Risso. Annales du Museum d'Histoire Naturelle de Nice, Tome 5, 101 - 150. [1977]" type="journal article" year="1978">Arnaud 1978: 101</bibRefCitation>
) that the Risso collection, was not accessible to his contemporary scholars; furthermore, to worsen the situation, P. Gény painted, in the 1840s, the 
<typeStatus id="3D692ED17E23FFEA5420F9CA6A336C45" box="[774,833,1589,1615]" pageId="13" pageNumber="32">types</typeStatus>
of Risso, including 
<taxonomicName id="25D2EBF07E23FFEA5302F9CB6D856C44" authorityName="Risso" authorityYear="1826" box="[1060,1271,1588,1614]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E23FFEA5302F9CB6D856C44" box="[1060,1271,1588,1614]" italics="true" pageId="13" pageNumber="32">Alvania sulzeriana</emphasis>
</taxonomicName>
, showing with a lot of imagination, the presence of marked denticles on the inner side of the outer lip (
<bibRefCitation id="8643ED827E23FFEA5342F9A76C416C78" author="Arnaud, P. M." box="[1124,1331,1624,1650]" pageId="13" pageNumber="32" pagination="101 - 150" refId="ref9236" refString="Arnaud, P. M. (1978) Revision des taxa malacologiques mediterraneens introduits par Antoine Risso. Annales du Museum d'Histoire Naturelle de Nice, Tome 5, 101 - 150. [1977]" type="journal article" year="1978">Arnaud 1978: 141</bibRefCitation>
, pl. 8, fig 62), a typical character of species of 
<taxonomicName id="25D2EBF07E23FFEA5515F9836BF86C9C" authorityName="Risso" authorityYear="1826" box="[563,650,1660,1686]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="genus">
<emphasis id="D0A64C617E23FFEA5515F9836BF86C9C" box="[563,650,1660,1686]" italics="true" pageId="13" pageNumber="32">Alvania</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="E26D90737E23FFEA57E1F95F6D956D41" blockId="13.[151,1437,1444,2011]" pageId="13" pageNumber="32">
<bibRefCitation id="8643ED827E23FFEA57E1F95F68D66CB0" author="Schwartz von Mohrenstern, G." box="[199,420,1696,1722]" pageId="13" pageNumber="32" pagination="1 - 56" refId="ref12682" refString="Schwartz von Mohrenstern, G. (1864) Uber die Familie der Rissoiden. II. Rissoa. Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe. Zweite Abtheilung. Abhandlungen von Nicht-Mitgliederen der Akademie, 23 (2), 1 - 56, pls. I - IV. https: // doi. org / 10.5962 / bhl. title. 46521" type="journal article" year="1864">Schwartz (1864: 40</bibRefCitation>
, pl. 3, figs 30, two figures, as 
<taxonomicName id="25D2EBF07E23FFEA55D6F95E6AC46CB0" baseAuthorityName="Risso" baseAuthorityYear="1826" box="[752,950,1696,1722]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E23FFEA55D6F95E6AC46CB0" box="[752,950,1696,1722]" italics="true" pageId="13" pageNumber="32">Rissoa sulzeriana</emphasis>
</taxonomicName>
, from sub-Apennine formations of Modena and Siena, 
<collectingCountry id="9AC5D0E37E23FFEA5637F93B68346CD4" box="[273,326,1732,1758]" name="Italy" pageId="13" pageNumber="32">Italy</collectingCountry>
) and 
<bibRefCitation id="8643ED827E23FFEA56A5F93B6B036CD4" author="Malatesta, A." box="[387,625,1732,1758]" pageId="13" pageNumber="32" pagination="1 - 498" refId="ref11622" refString="Malatesta, A. (1974) Malacofauna pliocenica umbra. Memorie per Servire alla Carta Geologica d'Italia, 13, 1 - 498." type="journal article" year="1974">Malatesta (1974: 176</bibRefCitation>
, 51, pl. 13, fig. 18, as 
<taxonomicName id="25D2EBF07E23FFEA5443F93B6D2A6CD4" baseAuthorityName="Risso" baseAuthorityYear="1826" box="[869,1112,1732,1758]" class="Gastropoda" family="Rissoidae" genus="Apicularia" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E23FFEA5443F93B6D2A6CD4" box="[869,1112,1732,1758]" italics="true" pageId="13" pageNumber="32">Apicularia sulzeriana</emphasis>
</taxonomicName>
from the Pliocene of Ficulle, 
<collectingRegion id="20165E917E23FFEA57B1F917699D6D08" box="[151,239,1768,1794]" country="Italy" name="Umbria" pageId="13" pageNumber="32">Umbria</collectingRegion>
, 
<collectingCountry id="9AC5D0E37E23FFEA57DBF91768466D08" box="[253,308,1768,1794]" name="Italy" pageId="13" pageNumber="32">Italy</collectingCountry>
), figured specimens rather close to those species of 
<taxonomicName id="25D2EBF07E23FFEA54ABF9166AAA6D08" authorityName="Desmarest" authorityYear="1814" box="[909,984,1769,1794]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="genus">
<emphasis id="D0A64C617E23FFEA54ABF9166AAA6D08" box="[909,984,1769,1794]" italics="true" pageId="13" pageNumber="32">Rissoa</emphasis>
</taxonomicName>
once included in the 
<taxonomicName id="25D2EBF07E23FFEA53F5F9176C396D08" authorityName="Monterosato" authorityYear="1884" box="[1235,1355,1768,1794]" class="Gastropoda" family="Rissoidae" genus="Apicularia" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="genus">
<emphasis id="D0A64C617E23FFEA53F5F9176C396D08" box="[1235,1355,1768,1794]" italics="true" pageId="13" pageNumber="32">Apicularia</emphasis>
</taxonomicName>
group. For an overview of the literature citing the nominal taxon 
<taxonomicName id="25D2EBF07E23FFEA5407F8F36A866D2C" authorityName="Risso" authorityYear="1826" box="[801,1012,1804,1830]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E23FFEA5407F8F36A866D2C" box="[801,1012,1804,1830]" italics="true" pageId="13" pageNumber="32">Alvania sulzeriana</emphasis>
</taxonomicName>
, see 
<bibRefCitation id="8643ED827E23FFEA530AF8F36D9E6D2C" author="Chirli, C." box="[1068,1260,1804,1830]" pageId="13" pageNumber="32" refId="ref10401" refString="Chirli, C. (2006) Malacofauna Pliocenica Toscana. Vol. 5. Caenogastropoda. Tipografia Color Print, Firenze, 144 pp., 46 pls." type="book" year="2006">Chirli (2006: 49)</bibRefCitation>
, who, however, figured and described a species different from both 
<taxonomicName id="25D2EBF07E23FFEA55FFF8CF6A8A6D40" authority="Risso, 1826" authorityName="Risso" authorityYear="1826" box="[729,1016,1840,1866]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E23FFEA55FFF8CF6A1F6D40" box="[729,877,1840,1866]" italics="true" pageId="13" pageNumber="32">A. sulzeriana</emphasis>
<bibRefCitation id="8643ED827E23FFEA5452F8CF6A8A6D40" author="Risso, A." box="[884,1016,1840,1866]" pageId="13" pageNumber="32" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
</taxonomicName>
and our 
<taxonomicName id="25D2EBF07E23FFEA537DF8CF6D956D41" box="[1115,1255,1840,1867]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="D0A64C617E23FFEA537DF8CF6DB26D40" box="[1115,1216,1840,1866]" italics="true" pageId="13" pageNumber="32">Pusillina</emphasis>
sp.
</taxonomicName>
</paragraph>
<paragraph id="E26D90737E23FFEA57E1F8AB684D6DD1" blockId="13.[151,1437,1444,2011]" pageId="13" pageNumber="32">
<bibRefCitation id="8643ED827E23FFEA57E1F8AB6B426D64" author="Bernasconi, M. &amp; Robba, E." box="[199,560,1876,1902]" pageId="13" pageNumber="32" pagination="71 - 102" refId="ref9490" refString="Bernasconi, M. &amp; Robba, E. (1994) Notes on some Pliocene Gastropods from Rio Torsero, western Liguria. Italy. Rivista Italiana di Paleontologia e Stratigrafia, 100 (1), 71 - 102." type="journal article" year="1994">Bernasconi &amp; Robba (1994: 73</bibRefCitation>
, pl. 1, figs 1–5), described as 
<taxonomicName id="25D2EBF07E23FFEA54A9F8AB6CEA6D64" authority="(Risso, 1826)" baseAuthorityName="Risso" baseAuthorityYear="1826" box="[911,1432,1876,1902]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="sulzeriana" subGenus="Pusillina">
<emphasis id="D0A64C617E23FFEA54A9F8AB6A866D64" box="[911,1012,1876,1902]" italics="true" pageId="13" pageNumber="32">Pusillina</emphasis>
(
<emphasis id="D0A64C617E23FFEA5320F8AB6D196D64" box="[1030,1131,1876,1902]" italics="true" pageId="13" pageNumber="32">Pusillina</emphasis>
) 
<emphasis id="D0A64C617E23FFEA5358F8AB6D816D64" box="[1150,1267,1876,1902]" italics="true" pageId="13" pageNumber="32">sulzeriana</emphasis>
(
<bibRefCitation id="8643ED827E23FFEA5223F8AB6CE26D64" author="Risso, A." box="[1285,1424,1876,1902]" pageId="13" pageNumber="32" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
)
</taxonomicName>
, some specimens correctly ascribed to the genus 
<taxonomicName id="25D2EBF07E23FFEA5599F8876A566D98" authorityName="Monterosato" authorityYear="1884" box="[703,804,1912,1938]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="genus">
<emphasis id="D0A64C617E23FFEA5599F8876A566D98" box="[703,804,1912,1938]" italics="true" pageId="13" pageNumber="32">Pusillina</emphasis>
</taxonomicName>
, but probably belonging to more than one species. The specimens figured in their figs 1–3, are probably referable to the same entity as our specimen of 
<taxonomicName id="25D2EBF07E23FFEA53F4F8636C2D6DBD" box="[1234,1375,1948,1975]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="13" pageNumber="32" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="D0A64C617E23FFEA53F4F8636C456DBC" box="[1234,1335,1948,1974]" italics="true" pageId="13" pageNumber="32">Pusillina</emphasis>
sp.
</taxonomicName>
from Stn COR 2-53.
</paragraph>
<paragraph id="E26D90737E20FFE957E1FF686ADD6B17" blockId="14.[151,1437,151,681]" pageId="14" pageNumber="33">
Our 
<taxonomicName id="25D2EBF07E20FFE957DEFF6868F16ABB" box="[248,387,151,177]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="D0A64C617E20FFE957DEFF68682F6ABB" box="[248,349,151,177]" italics="true" pageId="14" pageNumber="33">Pusillina</emphasis>
sp.
</taxonomicName>
(
<figureCitation id="7AE98CF67E20FFE956B6FF6868996ABB" box="[400,491,151,177]" captionStart="FIGURE 8" captionStartId="11.[151,250,1734,1758]" captionTargetBox="[151,1436,181,1709]" captionTargetId="figure-17@11.[151,1436,181,1709]" captionTargetPageId="11" captionText="FIGURE 8. A–G. Rissoa variabilis (Von Mühlfeldt, 1824). (A, B.) Lectotype of Alvania sulzeriana Risso, 1826 (MNHN-IM- 2000-35924) height 5 mm; (C.) Original drawing of Alvania sulzeriana Risso, 1826: 145, pl. IX, fig. 124; (D.) Drawing of the reproduction by P. Gény of the illustration by Risso (Arnaud, 1978: 141, pl. 8, fig 62); (E.) original drawings of Rissoa variabilis var. brevis B.D.D., 1884: pl. 31, figs 6-10; (F, G.) Specimens labelled as ‘Rissoa variabilis var. brevis’ by Monterosato, Saint Raphael, Côtes de Provence (France), height 5.4 mm (MCZR-M-22024/22032), shell (foto by Stefano Bartolini, Firenze) and original labels. H. Pusillina sp., stn COR 2-53, height 1.9 mm, width 1.15 mm (MZUB)." figureDoi="http://doi.org/10.5281/zenodo.10898502" httpUri="https://zenodo.org/record/10898502/files/figure.png" pageId="14" pageNumber="33">Figs 8H</figureCitation>
, 
<figureCitation id="7AE98CF67E20FFE956D3FF686B666ABB" box="[501,532,151,177]" captionStart="FIGURE 9" captionStartId="13.[151,250,186,210]" captionTargetId="figure-387@13.[174,1414,738,1242]" captionTargetPageId="13" captionText="FIGURE 9. Rissoidae spp. A. Alvania cimicoides (Forbes, 1844) stn COR 2-53, height 3.8 mm, width 2.2 mm (MZUB); B. Alvania testae (Aradas &amp; Maggiore, 1844) stn COR 2-53, height 2.95 mm, width 1.45 mm (MZUB); C. Alvania subsoluta (Aradas, 1847) stn COR 2-53, height 2.55 mm, width 1.55 mm (MZUB); D. Alvania elegantissima (Monterosato, 1875) stn COR 2-53, height 1.85 mm, width 1.27 mm (MZUB); E. Alvania electa (Monterosato, 1874) stn COR 2-53, height, 1.72 mm, width 1.22 mm (MZUB); F. Alvania punctura (Montagu, 1803) stn COR 2-53, height 2.37 mm; width 1.32 mm (MZUB); G. Alvania pizzinii Amati, Smriglio &amp; Oliverio, 2020 stn COR 2-53, height 2.3 mm, width 1.3 mm (MZUB); H. Alvania scabra (Philippi, 1844) stn COR 2-53, height 2.15 mm, width 1.25 mm (MZUB); I. Alvania rudis (Philippi, 1844) stn COR 2-53, height 2.55 mm, width 1.32 mm (MZUB); J. Alvania clathrella L. Seguenza, 1903 stn COR 2-53, height 2.55 mm, width 1.55 mm (MZUB); K. Alvania mamillata Risso, 1826 stn COR 2-53, height 2 mm (MZUB); L. Alvania subcrenulata (Bucquoy, Dautzenberg &amp; Dollfus, 1884) stn COR 2-53, height 3.05 mm, width 1.9 mm (MZUB); M. Alvania zetlandica (Montagu, 1816) stn COR 2-53, height 2.7 mm, width 1.57 mm (MZUB); N. Alvania zetlandica (Montagu, 1816) stn COR 2-53, height 2.82 mm, width 1.7 mm (MZUB); O. Benthonella tenella (Jeffreys, 1869) stn COR 2-53, height 3.02 mm, width 2.15 mm (MZUB); P. Pusillina sp. stn COR 2-53, height 1.9 mm, width 1.15 mm (MZUB); Q. Pusillina inconspicua (Alder, 1844) stn COR 2-53, height 1.7 mm, width 1.05 mm (MZUB); R. Pusillina philippi (Aradas &amp; Maggiore, 1844) stn COR 2-53, height 1.75 mm, width 1 mm (MZUB); S. Rissoa lia (Monterosato, 1872) stn COR 2-53, height 3.15 mm" figureDoi="http://doi.org/10.5281/zenodo.10912982" httpUri="https://zenodo.org/record/10912982/files/figure.png" pageId="14" pageNumber="33">9P</figureCitation>
) differs from 
<taxonomicName id="25D2EBF07E20FFE9558DFF686D796ABB" authority="(Risso, 1826)" baseAuthorityName="Risso" baseAuthorityYear="1826" box="[683,1035,151,177]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E20FFE9558DFF686A026ABB" box="[683,880,151,177]" italics="true" pageId="14" pageNumber="33">Rissoa sulzeriana</emphasis>
(
<bibRefCitation id="8643ED827E20FFE95459FF686D706ABB" author="Risso, A." box="[895,1026,151,177]" pageId="14" pageNumber="33" pagination="160 - 163" refId="ref12225" refString="Risso, A. (1826 - 1827) Histoire naturelle des principales productions de l'Europe Meridionale et particulierement de celles des environs de Nice et des Alpes Maritimes. 3 (XVI). F. G. Levrault, Paris, 480 pp., 14 pls. [copepods 160 - 163] https: // doi. org / 10.5962 / bhl. title. 58984" type="book chapter" year="1826">Risso, 1826</bibRefCitation>
)
</taxonomicName>
[= 
<taxonomicName id="25D2EBF07E20FFE9530FFF6869AB6ADF" authority="(Von Muhlfeldt, 1824)" baseAuthorityName="Von Muhlfeldt" baseAuthorityYear="1824" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="variabilis" status="syn. nov.">
<emphasis id="D0A64C617E20FFE9530FFF686D966ABB" box="[1065,1252,151,177]" italics="true" pageId="14" pageNumber="33">Rissoa variabilis</emphasis>
(Von Mühlfeldt, 1824)
</taxonomicName>
<emphasis id="D0A64C617E20FFE957C6FF4468E36ADF" bold="true" box="[224,401,187,213]" pageId="14" pageNumber="33">
<taxonomicNameLabel id="CB95F11A7E20FFE957C6FF4468E36ADF" box="[224,401,187,213]" pageId="14" pageNumber="33">new synonymy</taxonomicNameLabel>
</emphasis>
] in its smaller size and weaker shell (height 
<quantity id="252A3D967E20FFE954AAFF446A916ADF" box="[908,995,187,213]" metricMagnitude="-3" metricUnit="m" metricValue="1.9" pageId="14" pageNumber="33" unit="mm" value="1.9">1.9 mm</quantity>
<emphasis id="D0A64C617E20FFE954CCFF446D736ADE" box="[1002,1025,187,212]" italics="true" pageId="14" pageNumber="33">vs</emphasis>
height 
<quantity id="252A3D967E20FFE95371FF456DC66ADF" box="[1111,1204,186,213]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="14" pageNumber="33" unit="mm" value="5.5" valueMax="6.0" valueMin="5.0">5–6 mm</quantity>
in 
<taxonomicName id="25D2EBF07E20FFE953FFFF446C1C6ADF" baseAuthorityName="Risso" baseAuthorityYear="1826" box="[1241,1390,187,213]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E20FFE953FFFF446C1C6ADF" box="[1241,1390,187,213]" italics="true" pageId="14" pageNumber="33">R. sulzeriana</emphasis>
</taxonomicName>
); in the lack of labial thickening, less convex whorls with no angularity, narrower axial ribs without abapical swelling, sparser spiral sculpture present only on the abapical part of the whorls.
</paragraph>
<paragraph id="E26D90737E20FFE957E1FED86A506BFF" blockId="14.[151,1437,151,681]" pageId="14" pageNumber="33">
<taxonomicName id="25D2EBF07E20FFE957E1FED868276B4B" box="[199,341,295,321]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="D0A64C617E20FFE957E1FED8685E6B4B" box="[199,300,295,321]" italics="true" pageId="14" pageNumber="33">Pusillina</emphasis>
sp.
</taxonomicName>
differs from 
<taxonomicName id="25D2EBF07E20FFE956CBFED86AF16B4B" authority="(Alder, 1844)" baseAuthorityName="Alder" baseAuthorityYear="1844" box="[493,899,295,321]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="inconspicua">
<emphasis id="D0A64C617E20FFE956CBFED86B936B4A" box="[493,737,295,321]" italics="true" pageId="14" pageNumber="33">Pusillina inconspicua</emphasis>
(Alder, 1844)
</taxonomicName>
mainly in its more obtuse apical whorls, wider umbilical fissure, and orthocline 
<emphasis id="D0A64C617E20FFE95534FEB46B5B6B6E" box="[530,553,331,356]" italics="true" pageId="14" pageNumber="33">vs</emphasis>
slightly opisthocline and flexuous axial ribs in 
<taxonomicName id="25D2EBF07E20FFE95377FEB46D846B6E" baseAuthorityName="Alder" baseAuthorityYear="1844" box="[1105,1270,331,356]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="inconspicua">
<emphasis id="D0A64C617E20FFE95377FEB46D846B6E" box="[1105,1270,331,356]" italics="true" pageId="14" pageNumber="33">P. inconspicua</emphasis>
</taxonomicName>
. Based on the figure by 
<bibRefCitation id="8643ED827E20FFE95623FE906B566B83" author="Tabanelli, C. &amp; Bongiardino, C. &amp; Perugia, I." box="[261,548,367,393]" pageId="14" pageNumber="33" pagination="27 - 76" refId="ref12749" refString="Tabanelli, C., Bongiardino, C. &amp; Perugia, I. (2011) Cingulopsidae e Rissoidae pliocenici provenienti dallo &quot; spungone &quot; (Pedeappennino romagnolo) e loro eventuale significato paleoambientale (Gastropoda Caenogastropoda Cingulopsidae, Rissoidae). Quaderno di Studi e Notizie di Storia Naturale della Romagna, 32, 27 - 76." type="journal article" year="2011">
Tabanelli 
<emphasis id="D0A64C617E20FFE95653FE9068D56B83" box="[373,423,367,393]" italics="true" pageId="14" pageNumber="33">et al</emphasis>
. (2011: 67
</bibRefCitation>
, pl. 8, fig. 46b) the protoconch of 
<taxonomicName id="25D2EBF07E20FFE9548DFE906D4E6B83" baseAuthorityName="Risso" baseAuthorityYear="1826" box="[939,1084,367,393]" class="Gastropoda" family="Rissoidae" genus="Rissoa" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="sulzeriana">
<emphasis id="D0A64C617E20FFE9548DFE906D4E6B83" box="[939,1084,367,393]" italics="true" pageId="14" pageNumber="33">P. sulzeriana</emphasis>
</taxonomicName>
is sculptured by a suprasutural threadlet, more evident on the last whorl; the protoconch-teleoconch boundary is marked by a sinusigera notch. The colour pattern is also different: monochrome in 
<taxonomicName id="25D2EBF07E20FFE9559AFE486A386BDB" box="[700,842,439,465]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="D0A64C617E20FFE9559AFE486A536BDB" box="[700,801,439,465]" italics="true" pageId="14" pageNumber="33">Pusillina</emphasis>
sp.
</taxonomicName>
<emphasis id="D0A64C617E20FFE95475FE486A186BDA" box="[851,874,439,464]" italics="true" pageId="14" pageNumber="33">vs</emphasis>
yellowish-white with subsutural and basal spots, nucleus of the protoconch always violet in 
<taxonomicName id="25D2EBF07E20FFE9555EFE246A696BFE" baseAuthorityName="Alder" baseAuthorityYear="1844" box="[632,795,475,500]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="inconspicua">
<emphasis id="D0A64C617E20FFE9555EFE246A696BFE" box="[632,795,475,500]" italics="true" pageId="14" pageNumber="33">P. inconspicua</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="E26D90737E20FFE957E1FE006B43686B" blockId="14.[151,1437,151,681]" pageId="14" pageNumber="33">
<taxonomicName id="25D2EBF07E20FFE957E1FE0068276813" box="[199,341,511,537]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="D0A64C617E20FFE957E1FE00685E6813" box="[199,300,511,537]" italics="true" pageId="14" pageNumber="33">Pusillina</emphasis>
sp.
</taxonomicName>
differs from 
<taxonomicName id="25D2EBF07E20FFE956C8FE006D2E6813" authority="Tabanelli, Bongiardino &amp; Perugia, 2011" authorityName="Tabanelli, Bongiardino &amp; Perugia" authorityYear="2011" box="[494,1116,511,537]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="varia">
<emphasis id="D0A64C617E20FFE956C8FE006BFB6812" box="[494,649,511,537]" italics="true" pageId="14" pageNumber="33">Alvania varia</emphasis>
<bibRefCitation id="8643ED827E20FFE955B4FE006D2E6813" author="Tabanelli, C. &amp; Bongiardino, C. &amp; Perugia, I." box="[658,1116,511,537]" pageId="14" pageNumber="33" pagination="27 - 76" refId="ref12749" refString="Tabanelli, C., Bongiardino, C. &amp; Perugia, I. (2011) Cingulopsidae e Rissoidae pliocenici provenienti dallo &quot; spungone &quot; (Pedeappennino romagnolo) e loro eventuale significato paleoambientale (Gastropoda Caenogastropoda Cingulopsidae, Rissoidae). Quaderno di Studi e Notizie di Storia Naturale della Romagna, 32, 27 - 76." type="journal article" year="2011">Tabanelli, Bongiardino &amp; Perugia, 2011</bibRefCitation>
</taxonomicName>
, in its form 
<emphasis id="D0A64C617E20FFE953CCFE006C266812" box="[1258,1364,511,536]" italics="true" pageId="14" pageNumber="33">attenuata</emphasis>
(from the Pliocene of Romagna) (
<bibRefCitation id="8643ED827E20FFE956E0FDDC6BA56837" author="Tabanelli, C. &amp; Bongiardino, C. &amp; Perugia, I." box="[454,727,547,573]" pageId="14" pageNumber="33" pagination="27 - 76" refId="ref12749" refString="Tabanelli, C., Bongiardino, C. &amp; Perugia, I. (2011) Cingulopsidae e Rissoidae pliocenici provenienti dallo &quot; spungone &quot; (Pedeappennino romagnolo) e loro eventuale significato paleoambientale (Gastropoda Caenogastropoda Cingulopsidae, Rissoidae). Quaderno di Studi e Notizie di Storia Naturale della Romagna, 32, 27 - 76." type="journal article" year="2011">
Tabanelli 
<emphasis id="D0A64C617E20FFE95510FDDC6B1C6837" box="[566,622,547,573]" italics="true" pageId="14" pageNumber="33">et al.</emphasis>
2011: 47
</bibRefCitation>
, 65, pl. 6, figs 31–34) in the different protoconch: multispiral in 
<taxonomicName id="25D2EBF07E20FFE957B1FDB86857686B" box="[151,293,583,609]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="D0A64C617E20FFE957B1FDB8698E686B" box="[151,252,583,609]" italics="true" pageId="14" pageNumber="33">Pusillina</emphasis>
sp.
</taxonomicName>
, paucispiral in 
<taxonomicName id="25D2EBF07E20FFE956F6FDB86B58686A" authorityName="Tabanelli, Bongiardino &amp; Perugia" authorityYear="2011" box="[464,554,583,609]" class="Gastropoda" family="Rissoidae" genus="Alvania" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="varia">
<emphasis id="D0A64C617E20FFE956F6FDB86B58686A" box="[464,554,583,609]" italics="true" pageId="14" pageNumber="33">A. varia</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="E26D90737E20FFE957E1FD946B6A68A3" blockId="14.[151,1437,151,681]" pageId="14" pageNumber="33">
<taxonomicName id="25D2EBF07E20FFE957E1FD946821688F" box="[199,339,619,645]" class="Gastropoda" family="Rissoidae" genus="Pusillina" kingdom="Animalia" order="Littorinimorpha" pageId="14" pageNumber="33" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="D0A64C617E20FFE957E1FD94685E688F" box="[199,300,619,645]" italics="true" pageId="14" pageNumber="33">Pusillina</emphasis>
sp.
</taxonomicName>
is certainly a shallow water species; the shell from Stn COR 2-53 is thus quite probably a fossil, of either Pliocene or Pleistocene age.
</paragraph>
</subSubSection>
</treatment>
</document>