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<mods:title id="DD88E71CE1CC093CE2FE9223E697E992">Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea)</mods:title>
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Key to species of
<taxonomicName id="BEC231A6FFAFFFF7FE90F815FDF5F867" ID-CoL="7NSJD" box="[365,568,1988,2014]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">
<emphasis id="4BB69637FFAFFFF7FE90F815FDF5F867" bold="true" box="[365,568,1988,2014]" italics="true" pageId="12" pageNumber="13">Chasmocarcinus</emphasis>
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<materialsCitation id="C9AA4078FFAEFFF6FF6AFF68FA56FF77" ID-GBIF-Occurrence="1424726018" box="[151,1435,185,206]" country="Brazil" location="Western" pageId="13" pageNumber="14" specimenCount="1" stateProvince="Western">
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1.
<collectingRegion id="BB0684C7FFAEFFF6FF1CFF68FEE2FF77" box="[225,303,185,206]" country="Solomon Islands" name="Western" pageId="13" pageNumber="14">Western</collectingRegion>
Atlantic (
<collectingRegion id="BB0684C7FFAEFFF6FE73FF68FE76FF77" box="[398,443,185,206]" country="Papua New Guinea" name="Gulf" pageId="13" pageNumber="14">Gulf</collectingRegion>
of
<collectingRegion id="BB0684C7FFAEFFF6FE21FF68FDEAFF77" box="[476,551,185,206]" country="Mexico" name="Mexico" pageId="13" pageNumber="14">Mexico</collectingRegion>
, Caribbean Sea to
<collectingCountry id="01D50AB5FFAEFFF6FD26FF68FCDAFF77" box="[731,791,185,206]" name="Brazil" pageId="13" pageNumber="14">Brazil</collectingCountry>
) in distribution....................................... 2
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</materialsCitation>
</paragraph>
<paragraph id="797D4A25FFAEFFF6FF6AFF07FA56FF52" blockId="13.[151,1436,185,1145]" box="[151,1435,214,235]" pageId="13" pageNumber="14">
<materialsCitation id="C9AA4078FFAEFFF6FF6AFF07FA56FF52" ID-GBIF-Occurrence="1424726000" box="[151,1435,214,235]" country="Peru" location="Eastern" pageId="13" pageNumber="14" specimenCount="1" stateProvince="Eastern">
<keyLead id="C233E910FFAEFFF6FF6AFF07FA56FF52" box="[151,1435,214,235]" pageId="13" pageNumber="14">
- Tropical
<collectingRegion id="BB0684C7FFAEFFF6FECAFF07FEB2FF52" box="[311,383,214,235]" country="Fiji" name="Eastern" pageId="13" pageNumber="14">Eastern</collectingRegion>
Pacific (Lower
<collectingRegion id="BB0684C7FFAEFFF6FDE7FF07FDB6FF52" box="[538,635,214,235]" country="United States of America" name="California" pageId="13" pageNumber="14">California</collectingRegion>
to
<collectingCountry id="01D50AB5FFAEFFF6FD67FF07FD0AFF52" box="[666,711,214,235]" name="Peru" pageId="13" pageNumber="14">Peru</collectingCountry>
) in distribution............................................. 8
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<keyLead id="C233E910FFAEFFF6FF6AFF22FA51FEB1" box="[151,1436,243,264]" pageId="13" pageNumber="14">
2. Anterolateral margins of carapace smooth, without conspicuous tubercles, convex (e.g.,
<figureCitation id="E1F956A0FFAEFFF6FBD3FF22FBBFFEB1" box="[1070,1138,243,264]" captionStart="FIGURE 21" captionStartId="94.[151,250,1835,1857]" captionTargetBox="[151,1436,195,1813]" captionTargetId="figure@94.[151,1436,195,1813]" captionTargetPageId="94" captionText="FIGURE 21. Frontal view of cephalothorax of species of Chasmocarcinus. A, C. typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B C. arcuatus, Brazil: male 5.7 × 7.7 mm (ZRC 2015.221); C, D, C. arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); E, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); F, C. cylindricus, Puerto Rico: neotype female 4.6 × 6.1 mm (USNM 23765); G, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); H, C. hirsutipes, Brazil: holotype female 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 5 c)." httpUri="https://zenodo.org/record/272667/files/figure.png" pageId="13" pageNumber="14">Fig. 21</figureCitation>
A).................... 3
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</paragraph>
<paragraph id="797D4A25FFAEFFF6FF6AFEC0FA51FE9F" blockId="13.[151,1436,185,1145]" box="[151,1436,273,294]" pageId="13" pageNumber="14">
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- Anterolateral margins of carapace elevated, with conspicuous tubercles, granules, or setose ridge (e.g.,
<figureCitation id="E1F956A0FFAEFFF6FB41FEC0FACDFE9F" box="[1212,1280,273,294]" captionStart="FIGURE 21" captionStartId="94.[151,250,1835,1857]" captionTargetBox="[151,1436,195,1813]" captionTargetId="figure@94.[151,1436,195,1813]" captionTargetPageId="94" captionText="FIGURE 21. Frontal view of cephalothorax of species of Chasmocarcinus. A, C. typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B C. arcuatus, Brazil: male 5.7 × 7.7 mm (ZRC 2015.221); C, D, C. arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); E, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); F, C. cylindricus, Puerto Rico: neotype female 4.6 × 6.1 mm (USNM 23765); G, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); H, C. hirsutipes, Brazil: holotype female 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 5 c)." httpUri="https://zenodo.org/record/272667/files/figure.png" pageId="13" pageNumber="14">Fig. 21</figureCitation>
C).........4
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<keyStep id="C2365280FFAEFFF6FF6AFEFFFA51FE6F" pageId="13" pageNumber="14">
<paragraph id="797D4A25FFAEFFF6FF6AFEFFFA51FEC7" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
<keyLead id="C233E910FFAEFFF6FF6AFEFFFA51FEC7" pageId="13" pageNumber="14">
3. Anterior third portion of carapace proportionally narrow, anterior margin conspicuously narrower than median portion (
<figureCitation id="E1F956A0FFAEFFF6FA88FEFFFF20FED9" captionStart="FIGURE 2" captionStartId="14.[151,250,1754,1776]" captionTargetBox="[151,1436,409,1733]" captionTargetId="figure@14.[151,1436,409,1733]" captionTargetPageId="14" captionText="FIGURE 2. Overall dorsal view of species of Chasmocarcinus. A, C. typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B, C. typicus, Trinidad: paratype male 4.1 × 4.7 mm (USNM 6901); C, C. typicus, Brazil: male 4.0 × 5.1 mm (MCZ CRU- 10993, holotype of C. rathbuni); D, C. typicus, Brazil: female 8.6 × 10.5 mm (ZRC 2015.211); E, C. arcuatus, Brazil: male 5.7 × 7.7 mm (ZRC 2015.221); F, C. arcuatus, Brazil: female 4.4 × 6.2 mm (ZRC 2015.222); G, C. arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); H, C. arcuatus, Brazil: ovigerous female 4.6 × 6.1 mm (ZRC 2015.220)." httpUri="https://zenodo.org/record/272648/files/figure.png" pageId="13" pageNumber="14">Fig. 2</figureCitation>
AD). Fingers of major chela of large males elongated, dactylus clearly longer than propodus (
<figureCitation id="E1F956A0FFAEFFF6FB86FE9AFB0CFED9" box="[1147,1217,331,352]" captionStart="FIGURE 35" captionStartId="108.[151,250,1843,1865]" captionTargetBox="[151,1436,195,1821]" captionTargetId="figure@108.[151,1436,195,1821]" captionTargetPageId="108" captionText="FIGURE 35. Chelae of species of Chasmocarcinus. A, C. typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B, C. typicus, Brazil: male 4.0 × 5.1 mm (MCZ CRU- 10993, holotype of Chasmocarcinus rathbuni); C, D, C. typicus, Trinidad: paratype male 7.1 × 9.4 mm (USNM 6901); E, F, C. arcuatus, Brazil: holotype male 5.5 × 6.8 mm (after Coelho &amp; Coelho 1998: figs. 2 d, 3 e); G, H, C. arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); I, J, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); K, L, C. cylindricus, Jamaica: male 3.6 × 4.9 mm (USNM 42942)." httpUri="https://zenodo.org/record/272681/files/figure.png" pageId="13" pageNumber="14">Fig. 35</figureCitation>
A, C), curved in dorsal view (
<figureCitation id="E1F956A0FFAEFFF6FEE0FEB8FE92FEC7" box="[285,351,361,382]" captionStart="FIGURE 2" captionStartId="14.[151,250,1754,1776]" captionTargetBox="[151,1436,409,1733]" captionTargetId="figure@14.[151,1436,409,1733]" captionTargetPageId="14" captionText="FIGURE 2. Overall dorsal view of species of Chasmocarcinus. A, C. typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B, C. typicus, Trinidad: paratype male 4.1 × 4.7 mm (USNM 6901); C, C. typicus, Brazil: male 4.0 × 5.1 mm (MCZ CRU- 10993, holotype of C. rathbuni); D, C. typicus, Brazil: female 8.6 × 10.5 mm (ZRC 2015.211); E, C. arcuatus, Brazil: male 5.7 × 7.7 mm (ZRC 2015.221); F, C. arcuatus, Brazil: female 4.4 × 6.2 mm (ZRC 2015.222); G, C. arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); H, C. arcuatus, Brazil: ovigerous female 4.6 × 6.1 mm (ZRC 2015.220)." httpUri="https://zenodo.org/record/272648/files/figure.png" pageId="13" pageNumber="14">Figs. 2</figureCitation>
A, B). Third maxilliped ischium elongated (
<figureCitation id="E1F956A0FFAEFFF6FCF9FEB8FC85FEC7" box="[772,840,361,382]" captionStart="FIGURE 28" captionStartId="101.[151,250,1830,1852]" captionTargetBox="[186,1398,193,1804]" captionTargetId="figure@101.[186,1398,193,1804]" captionTargetPageId="101" captionText="FIGURE 28. Third maxilliped of species of Chasmocarcinus and Amboplax n. gen. A, Chasmocarcinus typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B, Chasmocarcinus typicus, Brazil: male 4.0 × 5.1 mm (MCZ CRU- 10993, holotype of Chasmocarcinus rathbuni); C, Chasmocarcinus typicus, Brazil: male 9.4 × 12.1 mm (ZRC 2015.211); D, Chasmocarcinus arcuatus, Brazil: male 5.7 × 7.7 mm (ZRC 2015.221); E, Chasmocarcinus arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); F, Chasmocarcinus chacei, Gulf of Mexico: female 7.8 × 9.5 mm (USNM 61489); G, Chasmocarcinus cylindricus, Puerto Rico: female 6.9 × 9.2 mm (USNM 24551); H, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015.217)." httpUri="https://zenodo.org/record/272674/files/figure.png" pageId="13" pageNumber="14">Fig. 28</figureCitation>
AC) [West Indies to
<collectingCountry id="01D50AB5FFAEFFF6FBE7FEB8FB97FEC7" box="[1050,1114,361,382]" name="Brazil" pageId="13" pageNumber="14">Brazil</collectingCountry>
].................
<taxonomicName id="BEC231A6FFAEFFF6FAC1FEB8FA51FEC7" ID-CoL="TQ7P" box="[1340,1436,361,382]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="typicus">
<emphasis id="4BB69637FFAEFFF6FAC1FEB8FA51FEC7" box="[1340,1436,361,382]" italics="true" pageId="13" pageNumber="14">C. typicus</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="797D4A25FFAEFFF6FF6AFE57FA51FE6F" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
<keyLead id="C233E910FFAEFFF6FF6AFE57FA51FE6F" pageId="13" pageNumber="14">
- Anterior third portion of carapace nearly as wide as median portion (
<figureCitation id="E1F956A0FFAEFFF6FC7BFE57FC72FE22" box="[902,959,390,411]" captionStart="FIGURE 3" captionStartId="18.[151,250,1437,1459]" captionTargetBox="[151,1436,177,1420]" captionTargetId="figure@18.[151,1436,177,1420]" captionTargetPageId="18" captionText="FIGURE 3. Overall dorsal view of species of Chasmocarcinus. A, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); B, C. chacei, Gulf of Mexico: female 7.8 × 9.5 mm (USNM 61489); C, C. cylindricus, Jamaica: male 3.6 × 4.9 mm (USNM 42942); D, C. cylindricus, Puerto Rico: neotype female 4.6 × 6.1 mm (USNM 23765); E, C. cylindricus, Puerto Rico: female 6.9 × 9.2 mm (USNM 24551); F, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); H, C. hirsutipes, Brazil: holotype male 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 5 a)." httpUri="https://zenodo.org/record/272649/files/figure.png" pageId="13" pageNumber="14">Fig. 3</figureCitation>
A, B). Fingers of major chela of large males not elongated, dactylus only slightly longer than propodus (
<figureCitation id="E1F956A0FFAEFFF6FD08FE72FCF6FE01" box="[757,827,419,440]" captionStart="FIGURE 35" captionStartId="108.[151,250,1843,1865]" captionTargetBox="[151,1436,195,1821]" captionTargetId="figure@108.[151,1436,195,1821]" captionTargetPageId="108" captionText="FIGURE 35. Chelae of species of Chasmocarcinus. A, C. typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B, C. typicus, Brazil: male 4.0 × 5.1 mm (MCZ CRU- 10993, holotype of Chasmocarcinus rathbuni); C, D, C. typicus, Trinidad: paratype male 7.1 × 9.4 mm (USNM 6901); E, F, C. arcuatus, Brazil: holotype male 5.5 × 6.8 mm (after Coelho &amp; Coelho 1998: figs. 2 d, 3 e); G, H, C. arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); I, J, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); K, L, C. cylindricus, Jamaica: male 3.6 × 4.9 mm (USNM 42942)." httpUri="https://zenodo.org/record/272681/files/figure.png" pageId="13" pageNumber="14">
Fig.
<date id="0D7C6CE5FFAEFFF6FCDCFE72FCF6FE01" box="[801,827,419,440]" pageId="13" pageNumber="14" value="1935-01">35</date>
</figureCitation>
I), straight in dorsal view (
<figureCitation id="E1F956A0FFAEFFF6FBCAFE72FBA3FE01" box="[1079,1134,419,440]" captionStart="FIGURE 3" captionStartId="18.[151,250,1437,1459]" captionTargetBox="[151,1436,177,1420]" captionTargetId="figure@18.[151,1436,177,1420]" captionTargetPageId="18" captionText="FIGURE 3. Overall dorsal view of species of Chasmocarcinus. A, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); B, C. chacei, Gulf of Mexico: female 7.8 × 9.5 mm (USNM 61489); C, C. cylindricus, Jamaica: male 3.6 × 4.9 mm (USNM 42942); D, C. cylindricus, Puerto Rico: neotype female 4.6 × 6.1 mm (USNM 23765); E, C. cylindricus, Puerto Rico: female 6.9 × 9.2 mm (USNM 24551); F, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); H, C. hirsutipes, Brazil: holotype male 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 5 a)." httpUri="https://zenodo.org/record/272649/files/figure.png" pageId="13" pageNumber="14">Fig. 3</figureCitation>
A, B); third maxilliped ischium rectangular (
<figureCitation id="E1F956A0FFAEFFF6FEA7FE10FE53FE6F" box="[346,414,449,470]" captionStart="FIGURE 28" captionStartId="101.[151,250,1830,1852]" captionTargetBox="[186,1398,193,1804]" captionTargetId="figure@101.[186,1398,193,1804]" captionTargetPageId="101" captionText="FIGURE 28. Third maxilliped of species of Chasmocarcinus and Amboplax n. gen. A, Chasmocarcinus typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B, Chasmocarcinus typicus, Brazil: male 4.0 × 5.1 mm (MCZ CRU- 10993, holotype of Chasmocarcinus rathbuni); C, Chasmocarcinus typicus, Brazil: male 9.4 × 12.1 mm (ZRC 2015.211); D, Chasmocarcinus arcuatus, Brazil: male 5.7 × 7.7 mm (ZRC 2015.221); E, Chasmocarcinus arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); F, Chasmocarcinus chacei, Gulf of Mexico: female 7.8 × 9.5 mm (USNM 61489); G, Chasmocarcinus cylindricus, Puerto Rico: female 6.9 × 9.2 mm (USNM 24551); H, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015.217)." httpUri="https://zenodo.org/record/272674/files/figure.png" pageId="13" pageNumber="14">Fig. 28</figureCitation>
F) [Gulf of Mexico]............................................................
<taxonomicName id="BEC231A6FFAEFFF6FABCFE10FA51FE6F" ID-CoL="TQ79" box="[1345,1436,449,470]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="chacei">
<emphasis id="4BB69637FFAEFFF6FABCFE10FA51FE6F" box="[1345,1436,449,470]" italics="true" pageId="13" pageNumber="14">C. chacei</emphasis>
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</keyStep>
<keyStep id="C2365280FFAEFFF6FF6AFE0FFA56FDF2" pageId="13" pageNumber="14">
<paragraph id="797D4A25FFAEFFF6FF6AFE0FFA5BFDA9" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
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4. Dorsal surface of chelipeds with conspicuous setae (
<figureCitation id="E1F956A0FFAEFFF6FD1DFE0FFCD7FE4A" box="[736,794,478,499]" captionStart="FIGURE 3" captionStartId="18.[151,250,1437,1459]" captionTargetBox="[151,1436,177,1420]" captionTargetId="figure@18.[151,1436,177,1420]" captionTargetPageId="18" captionText="FIGURE 3. Overall dorsal view of species of Chasmocarcinus. A, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); B, C. chacei, Gulf of Mexico: female 7.8 × 9.5 mm (USNM 61489); C, C. cylindricus, Jamaica: male 3.6 × 4.9 mm (USNM 42942); D, C. cylindricus, Puerto Rico: neotype female 4.6 × 6.1 mm (USNM 23765); E, C. cylindricus, Puerto Rico: female 6.9 × 9.2 mm (USNM 24551); F, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); H, C. hirsutipes, Brazil: holotype male 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 5 a)." httpUri="https://zenodo.org/record/272649/files/figure.png" pageId="13" pageNumber="14">Fig. 3</figureCitation>
G). Anterolateral margins of carapace with low, setose ridge (
<figureCitation id="E1F956A0FFAEFFF6FA88FE0FFF34FDA9" captionStart="FIGURE 21" captionStartId="94.[151,250,1835,1857]" captionTargetBox="[151,1436,195,1813]" captionTargetId="figure@94.[151,1436,195,1813]" captionTargetPageId="94" captionText="FIGURE 21. Frontal view of cephalothorax of species of Chasmocarcinus. A, C. typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B C. arcuatus, Brazil: male 5.7 × 7.7 mm (ZRC 2015.221); C, D, C. arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); E, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); F, C. cylindricus, Puerto Rico: neotype female 4.6 × 6.1 mm (USNM 23765); G, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); H, C. hirsutipes, Brazil: holotype female 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 5 c)." httpUri="https://zenodo.org/record/272667/files/figure.png" pageId="13" pageNumber="14">Fig. 21</figureCitation>
H) [
<collectingCountry id="01D50AB5FFAEFFF6FEE3FE2AFE90FDA9" box="[286,349,507,528]" name="Brazil" pageId="13" pageNumber="14">Brazil</collectingCountry>
]...............................................................................
<taxonomicName id="BEC231A6FFAEFFF6FAE6FE2AFA5BFDA9" ID-CoL="TQ7D" box="[1307,1430,507,528]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="hirsutipes">
<emphasis id="4BB69637FFAEFFF6FAE6FE2AFA5BFDA9" box="[1307,1430,507,528]" italics="true" pageId="13" pageNumber="14">C. hirsutipes</emphasis>
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</keyLead>
</paragraph>
<paragraph id="797D4A25FFAEFFF6FF6AFDC8FA56FDF2" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
<keyLead id="C233E910FFAEFFF6FF6AFDC8FA56FDF2" pageId="13" pageNumber="14">
- Dorsal surface of chelipeds smooth or with sparse setae or smooth (e.g.,
<figureCitation id="E1F956A0FFAEFFF6FC5DFDC8FC15FD97" box="[928,984,537,558]" captionStart="FIGURE 3" captionStartId="18.[151,250,1437,1459]" captionTargetBox="[151,1436,177,1420]" captionTargetId="figure@18.[151,1436,177,1420]" captionTargetPageId="18" captionText="FIGURE 3. Overall dorsal view of species of Chasmocarcinus. A, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); B, C. chacei, Gulf of Mexico: female 7.8 × 9.5 mm (USNM 61489); C, C. cylindricus, Jamaica: male 3.6 × 4.9 mm (USNM 42942); D, C. cylindricus, Puerto Rico: neotype female 4.6 × 6.1 mm (USNM 23765); E, C. cylindricus, Puerto Rico: female 6.9 × 9.2 mm (USNM 24551); F, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); H, C. hirsutipes, Brazil: holotype male 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 5 a)." httpUri="https://zenodo.org/record/272649/files/figure.png" pageId="13" pageNumber="14">Fig. 3</figureCitation>
E). Anterolateral margin of carapace with conspicuously raised, granular ridge, row of setae absent (e.g.,
<figureCitation id="E1F956A0FFAEFFF6FCE7FDE7FC92FDF2" box="[794,863,566,587]" captionStart="FIGURE 21" captionStartId="94.[151,250,1835,1857]" captionTargetBox="[151,1436,195,1813]" captionTargetId="figure@94.[151,1436,195,1813]" captionTargetPageId="94" captionText="FIGURE 21. Frontal view of cephalothorax of species of Chasmocarcinus. A, C. typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B C. arcuatus, Brazil: male 5.7 × 7.7 mm (ZRC 2015.221); C, D, C. arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); E, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); F, C. cylindricus, Puerto Rico: neotype female 4.6 × 6.1 mm (USNM 23765); G, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); H, C. hirsutipes, Brazil: holotype female 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 5 c)." httpUri="https://zenodo.org/record/272667/files/figure.png" pageId="13" pageNumber="14">Fig. 21</figureCitation>
C, D)......................................... 5
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<keyStep id="C2365280FFAEFFF6FF6AFD85FA56FD78" pageId="13" pageNumber="14">
<paragraph id="797D4A25FFAEFFF6FF6AFD85FA51FD3F" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
<keyLead id="C233E910FFAEFFF6FF6AFD85FA51FD3F" pageId="13" pageNumber="14">
5. Fingers of major chela of large males arched, leaving wide, circular gap (
<figureCitation id="E1F956A0FFAEFFF6FC55FD85FC23FDD0" box="[936,1006,596,617]" captionStart="FIGURE 35" captionStartId="108.[151,250,1843,1865]" captionTargetBox="[151,1436,195,1821]" captionTargetId="figure@108.[151,1436,195,1821]" captionTargetPageId="108" captionText="FIGURE 35. Chelae of species of Chasmocarcinus. A, C. typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B, C. typicus, Brazil: male 4.0 × 5.1 mm (MCZ CRU- 10993, holotype of Chasmocarcinus rathbuni); C, D, C. typicus, Trinidad: paratype male 7.1 × 9.4 mm (USNM 6901); E, F, C. arcuatus, Brazil: holotype male 5.5 × 6.8 mm (after Coelho &amp; Coelho 1998: figs. 2 d, 3 e); G, H, C. arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); I, J, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); K, L, C. cylindricus, Jamaica: male 3.6 × 4.9 mm (USNM 42942)." httpUri="https://zenodo.org/record/272681/files/figure.png" pageId="13" pageNumber="14">Fig. 35</figureCitation>
E), curved in dorsal view (Coelho &amp; Coelho 1998: figs. 1a, 2c). Dorsal surface of cheliped propodus of large males eroded (
<figureCitation id="E1F956A0FFAEFFF6FC2AFDA0FBD1FD3F" box="[983,1052,625,646]" captionStart="FIGURE 35" captionStartId="108.[151,250,1843,1865]" captionTargetBox="[151,1436,195,1821]" captionTargetId="figure@108.[151,1436,195,1821]" captionTargetPageId="108" captionText="FIGURE 35. Chelae of species of Chasmocarcinus. A, C. typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B, C. typicus, Brazil: male 4.0 × 5.1 mm (MCZ CRU- 10993, holotype of Chasmocarcinus rathbuni); C, D, C. typicus, Trinidad: paratype male 7.1 × 9.4 mm (USNM 6901); E, F, C. arcuatus, Brazil: holotype male 5.5 × 6.8 mm (after Coelho &amp; Coelho 1998: figs. 2 d, 3 e); G, H, C. arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); I, J, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); K, L, C. cylindricus, Jamaica: male 3.6 × 4.9 mm (USNM 42942)." httpUri="https://zenodo.org/record/272681/files/figure.png" pageId="13" pageNumber="14">Fig. 35</figureCitation>
E) [
<collectingCountry id="01D50AB5FFAEFFF6FBC3FDA0FBB0FD3F" box="[1086,1149,625,646]" name="Brazil" pageId="13" pageNumber="14">Brazil</collectingCountry>
].............
<taxonomicName id="BEC231A6FFAEFFF6FAD0FDA0FA51FD3F" ID-CoL="TQ77" box="[1325,1436,625,646]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="arcuatus">
<emphasis id="4BB69637FFAEFFF6FAD0FDA0FA51FD3F" box="[1325,1436,625,646]" italics="true" pageId="13" pageNumber="14">C. arcuatus</emphasis>
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</paragraph>
<paragraph id="797D4A25FFAEFFF6FF6AFD5FFA56FD78" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
<keyLead id="C233E910FFAEFFF6FF6AFD5FFA56FD78" pageId="13" pageNumber="14">
- Fingers of major chela of large males straight or slightly curved, not leaving wide, circular gap (e.g.,
<figureCitation id="E1F956A0FFAEFFF6FB55FD5FFB21FD1A" box="[1192,1260,654,675]" captionStart="FIGURE 35" captionStartId="108.[151,250,1843,1865]" captionTargetBox="[151,1436,195,1821]" captionTargetId="figure@108.[151,1436,195,1821]" captionTargetPageId="108" captionText="FIGURE 35. Chelae of species of Chasmocarcinus. A, C. typicus, Trinidad: holotype male 7.8 × 8.7 mm (USNM 6901); B, C. typicus, Brazil: male 4.0 × 5.1 mm (MCZ CRU- 10993, holotype of Chasmocarcinus rathbuni); C, D, C. typicus, Trinidad: paratype male 7.1 × 9.4 mm (USNM 6901); E, F, C. arcuatus, Brazil: holotype male 5.5 × 6.8 mm (after Coelho &amp; Coelho 1998: figs. 2 d, 3 e); G, H, C. arcuatus, Brazil: male 3.7 × 5.1 mm (ZRC 2015.220); I, J, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); K, L, C. cylindricus, Jamaica: male 3.6 × 4.9 mm (USNM 42942)." httpUri="https://zenodo.org/record/272681/files/figure.png" pageId="13" pageNumber="14">Fig. 35</figureCitation>
K). Dorsal surface of cheliped propodus of large males smooth............................................................... 6
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<keyStep id="C2365280FFAEFFF6FF6AFD18FA56FCA0" pageId="13" pageNumber="14">
<paragraph id="797D4A25FFAEFFF6FF6AFD18FA56FD42" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
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6. Carapace proportionally wide along anterior third, almost as wide as posterior portion (
<figureCitation id="E1F956A0FFAEFFF6FBD8FD18FB91FD67" box="[1061,1116,713,734]" captionStart="FIGURE 3" captionStartId="18.[151,250,1437,1459]" captionTargetBox="[151,1436,177,1420]" captionTargetId="figure@18.[151,1436,177,1420]" captionTargetPageId="18" captionText="FIGURE 3. Overall dorsal view of species of Chasmocarcinus. A, C. chacei, Gulf of Mexico: male 6.6 × 8.0 mm (USNM 61489); B, C. chacei, Gulf of Mexico: female 7.8 × 9.5 mm (USNM 61489); C, C. cylindricus, Jamaica: male 3.6 × 4.9 mm (USNM 42942); D, C. cylindricus, Puerto Rico: neotype female 4.6 × 6.1 mm (USNM 23765); E, C. cylindricus, Puerto Rico: female 6.9 × 9.2 mm (USNM 24551); F, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); H, C. hirsutipes, Brazil: holotype male 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 5 a)." httpUri="https://zenodo.org/record/272649/files/figure.png" pageId="13" pageNumber="14">Fig. 3</figureCitation>
CE) [Florida and West Indies to Brazil]...................................................................................
<taxonomicName id="BEC231A6FFAEFFF6FAE8FD37FA56FD42" ID-CoL="5XQ2J" box="[1301,1435,742,763]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="cylindricus">
<emphasis id="4BB69637FFAEFFF6FAE8FD37FA56FD42" box="[1301,1435,742,763]" italics="true" pageId="13" pageNumber="14">C. cylindricus</emphasis>
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</paragraph>
<paragraph id="797D4A25FFAEFFF6FF6AFCD5FA56FCA0" blockId="13.[151,1436,185,1145]" box="[151,1435,772,793]" pageId="13" pageNumber="14">
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- Carapace conspicuously narrower along anterior third than posterior portion (e.g.,
<figureCitation id="E1F956A0FFAEFFF6FC0BFCD5FBE2FCA0" box="[1014,1071,772,793]" captionStart="FIGURE 4" captionStartId="23.[151,250,1656,1678]" captionTargetBox="[151,1436,193,1634]" captionTargetId="figure@23.[151,1436,193,1634]" captionTargetPageId="23" captionText="FIGURE 4. Overall dorsal view of species of Chasmocarcinus. A, C. latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); B, C. latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); C, C. latipes, Ecuador: male 10.5 × 14.3 mm (AMNH 1941 - 10668); D, C. latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); E, C. latipes, Mexico: female 7.5 × 10.5 mm (AMNH 16262, paratype female of Chasmocarcinus ferrugineus Glassell, 1936); F, C. longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); G, C. meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho &amp; Coelho 1998: fig. 8 a); H, C. mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074)." httpUri="https://zenodo.org/record/272650/files/figure.png" pageId="13" pageNumber="14">Fig. 4</figureCitation>
G).......................... 7
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<keyStep id="C2365280FFAEFFF6FF6AFCF0FA56FC37" pageId="13" pageNumber="14">
<paragraph id="797D4A25FFAEFFF6FF6AFCF0FA56FCEA" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
<keyLead id="C233E910FFAEFFF6FF6AFCF0FA56FCEA" pageId="13" pageNumber="14">
7. Orbits, eye peduncles proportionally short (
<figureCitation id="E1F956A0FFAEFFF6FD7FFCF0FD04FC8F" box="[642,713,801,822]" captionStart="FIGURE 22" captionStartId="95.[151,250,1819,1841]" captionTargetBox="[170,1406,193,1794]" captionTargetId="figure@95.[170,1406,193,1794]" captionTargetPageId="95" captionText="FIGURE 22. Frontal view of cephalothorax of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Chasmocarcinus latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); B, Chasmocarcinus latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); C, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); D, Chasmocarcinus meloi, Brazil: holotype female 5.3 × 6.2 mm (after Coelho &amp; Coelho 1998: fig. 8 b); E, Chasmocarcinus mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074); F, G, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015. 217); H, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272668/files/figure.png" pageId="13" pageNumber="14">Fig. 22</figureCitation>
D). Male telson proportionally short, broad (
<figureCitation id="E1F956A0FFAEFFF6FB8CFCF0FB7AFC8F" box="[1137,1207,801,822]" captionStart="FIGURE 50" captionStartId="123.[151,250,1748,1770]" captionTargetBox="[151,1436,193,1726]" captionTargetId="figure@123.[151,1436,193,1726]" captionTargetPageId="123" captionText="FIGURE 50. Anterior thoracic sternum and male pleon of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, C, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); B, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); D, Chasmocarcinus latipes, D, Mexico: male 8.3 × 11.0 mm (SIO C 319); E, Chasmocarcinus meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho &amp; Coelho 1998: fig. 9 d); F, Chasmocarcinus mississippiensis, Gulf of Mexico: male 7.2 × 8.8 mm (USNM 101082); G, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015. 217); H, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272696/files/figure.png" pageId="13" pageNumber="14">Fig. 50</figureCitation>
E) [
<collectingCountry id="01D50AB5FFAEFFF6FB25FCF0FADAFC8F" box="[1240,1303,801,822]" name="Brazil" pageId="13" pageNumber="14">Brazil</collectingCountry>
]........................................................................................................
<taxonomicName id="BEC231A6FFAEFFF6FAB7FCEFFA56FCEA" ID-CoL="TQ7G" box="[1354,1435,830,851]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="meloi">
<emphasis id="4BB69637FFAEFFF6FAB7FCEFFA56FCEA" box="[1354,1435,830,851]" italics="true" pageId="13" pageNumber="14">C. meloi</emphasis>
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</keyLead>
</paragraph>
<paragraph id="797D4A25FFAEFFF6FF6AFC8DFA56FC37" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
<keyLead id="C233E910FFAEFFF6FF6AFC8DFA56FC37" pageId="13" pageNumber="14">
- Orbits, eye peduncles proportionally long (
<figureCitation id="E1F956A0FFAEFFF6FD81FC8DFD0EFCC8" box="[636,707,860,881]" captionStart="FIGURE 22" captionStartId="95.[151,250,1819,1841]" captionTargetBox="[170,1406,193,1794]" captionTargetId="figure@95.[170,1406,193,1794]" captionTargetPageId="95" captionText="FIGURE 22. Frontal view of cephalothorax of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Chasmocarcinus latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); B, Chasmocarcinus latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); C, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); D, Chasmocarcinus meloi, Brazil: holotype female 5.3 × 6.2 mm (after Coelho &amp; Coelho 1998: fig. 8 b); E, Chasmocarcinus mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074); F, G, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015. 217); H, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272668/files/figure.png" pageId="13" pageNumber="14">Fig. 22</figureCitation>
E). Male telson proportionally long, narrow (
<figureCitation id="E1F956A0FFAEFFF6FB8CFC8DFB7AFCC8" box="[1137,1207,860,881]" captionStart="FIGURE 50" captionStartId="123.[151,250,1748,1770]" captionTargetBox="[151,1436,193,1726]" captionTargetId="figure@123.[151,1436,193,1726]" captionTargetPageId="123" captionText="FIGURE 50. Anterior thoracic sternum and male pleon of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, C, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); B, Chasmocarcinus longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); D, Chasmocarcinus latipes, D, Mexico: male 8.3 × 11.0 mm (SIO C 319); E, Chasmocarcinus meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho &amp; Coelho 1998: fig. 9 d); F, Chasmocarcinus mississippiensis, Gulf of Mexico: male 7.2 × 8.8 mm (USNM 101082); G, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015. 217); H, Deltopelta obliquus, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509)." httpUri="https://zenodo.org/record/272696/files/figure.png" pageId="13" pageNumber="14">Fig. 50</figureCitation>
F) [Gulf of Mexico]..........................................................................................
<taxonomicName id="BEC231A6FFAEFFF6FB0EFCA8FA56FC37" ID-CoL="TQ7H" box="[1267,1435,889,910]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="mississipiensis">
<emphasis id="4BB69637FFAEFFF6FB0EFCA8FA56FC37" box="[1267,1435,889,910]" italics="true" pageId="13" pageNumber="14">C. mississipiensis</emphasis>
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</paragraph>
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<paragraph id="797D4A25FFAEFFF6FF6AFC47FA51FC70" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
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8. Ambulatory legs proportionally short, merus wide, stout (e.g.,
<figureCitation id="E1F956A0FFAEFFF6FCC3FC47FCB5FC12" box="[830,888,918,939]" captionStart="FIGURE 4" captionStartId="23.[151,250,1656,1678]" captionTargetBox="[151,1436,193,1634]" captionTargetId="figure@23.[151,1436,193,1634]" captionTargetPageId="23" captionText="FIGURE 4. Overall dorsal view of species of Chasmocarcinus. A, C. latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); B, C. latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); C, C. latipes, Ecuador: male 10.5 × 14.3 mm (AMNH 1941 - 10668); D, C. latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); E, C. latipes, Mexico: female 7.5 × 10.5 mm (AMNH 16262, paratype female of Chasmocarcinus ferrugineus Glassell, 1936); F, C. longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); G, C. meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho &amp; Coelho 1998: fig. 8 a); H, C. mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074)." httpUri="https://zenodo.org/record/272650/files/figure.png" pageId="13" pageNumber="14">Fig. 4</figureCitation>
A). Fingers of major chela of large males almost straight (
<figureCitation id="E1F956A0FFAEFFF6FF15FC65FEE3FC70" box="[232,302,948,969]" captionStart="FIGURE 36" captionStartId="109.[151,250,1785,1807]" captionTargetBox="[151,1436,193,1764]" captionTargetId="figure@109.[151,1436,193,1764]" captionTargetPageId="109" captionText="FIGURE 36. Chelae of species of Chasmocarcinus. A, B, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); C, D, C. hirsutipes, Brazil: holotype male 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 6 e, f); E, C. latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); F, C. latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); G, H, C. latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); I, J, C. longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785)." httpUri="https://zenodo.org/record/272682/files/figure.png" pageId="13" pageNumber="14">Fig. 36</figureCitation>
E, G) [Gulf of California to Peru]............................................................
<taxonomicName id="BEC231A6FFAEFFF6FABDFC65FA51FC70" ID-CoL="5Y22J" box="[1344,1436,948,969]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="latipes">
<emphasis id="4BB69637FFAEFFF6FABDFC65FA51FC70" box="[1344,1436,948,969]" italics="true" pageId="13" pageNumber="14">C. latipes</emphasis>
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</paragraph>
<paragraph id="797D4A25FFAEFFF6FF6AFC00FA56FBBA" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
<keyLead id="C233E910FFAEFFF6FF6AFC00FA56FBBA" pageId="13" pageNumber="14">
- Ambulatory legs proportionally long, merus slender (
<figureCitation id="E1F956A0FFAEFFF6FD10FC00FCE4FC5F" box="[749,809,977,998]" captionStart="FIGURE 4" captionStartId="23.[151,250,1656,1678]" captionTargetBox="[151,1436,193,1634]" captionTargetId="figure@23.[151,1436,193,1634]" captionTargetPageId="23" captionText="FIGURE 4. Overall dorsal view of species of Chasmocarcinus. A, C. latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); B, C. latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); C, C. latipes, Ecuador: male 10.5 × 14.3 mm (AMNH 1941 - 10668); D, C. latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); E, C. latipes, Mexico: female 7.5 × 10.5 mm (AMNH 16262, paratype female of Chasmocarcinus ferrugineus Glassell, 1936); F, C. longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); G, C. meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho &amp; Coelho 1998: fig. 8 a); H, C. mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074)." httpUri="https://zenodo.org/record/272650/files/figure.png" pageId="13" pageNumber="14">Fig. 4</figureCitation>
F). Fingers of major chela of large males gently or prominently curved (e.g.,
<figureCitation id="E1F956A0FFAEFFF6FEA2FC3FFE6EFBBA" box="[351,419,1006,1027]" captionStart="FIGURE 36" captionStartId="109.[151,250,1785,1807]" captionTargetBox="[151,1436,193,1764]" captionTargetId="figure@109.[151,1436,193,1764]" captionTargetPageId="109" captionText="FIGURE 36. Chelae of species of Chasmocarcinus. A, B, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); C, D, C. hirsutipes, Brazil: holotype male 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 6 e, f); E, C. latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); F, C. latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); G, H, C. latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); I, J, C. longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785)." httpUri="https://zenodo.org/record/272682/files/figure.png" pageId="13" pageNumber="14">Fig. 36</figureCitation>
A)................................................................................. 9
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<keyStep id="C2365280FFAEFFF6FF6AFBDDFA51FBC0" pageId="13" pageNumber="14">
<paragraph id="797D4A25FFAEFFF6FF6AFBDDFA51FB87" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
<materialsCitation id="C9AA4078FFAEFFF6FF6AFBDDFA51FB87" ID-GBIF-Occurrence="1424725997" country="Costa Rica" location="Pterygostomial region" pageId="13" pageNumber="14" specimenCount="1">
<keyLead id="C233E910FFAEFFF6FF6AFBDDFA51FB87" pageId="13" pageNumber="14">
9.
<location id="7C1D1CFEFFAEFFF6FF1CFBDDFE7AFB98" LSID="urn:lsid:plazi:treatment:F16BFB33FFAFFFF6FF6AF815FA51FBC0:7C1D1CFEFFAEFFF6FF1CFBDDFE7AFB98" box="[225,439,1036,1057]" country="Costa Rica" name="Pterygostomial region" pageId="13" pageNumber="14">Pterygostomial region</location>
prominent, bulging, clearly visible from dorsal view (
<figureCitation id="E1F956A0FFAEFFF6FC31FBDDFBCBFB98" box="[972,1030,1036,1057]" captionStart="FIGURE 5" captionStartId="28.[151,250,1766,1788]" captionTargetBox="[151,1436,193,1745]" captionTargetId="figure@28.[151,1436,193,1745]" captionTargetPageId="28" captionText="FIGURE 5. Overall dorsal view of species of Chasmocarcinus, Amboplax n. gen. and Deltopelta n. gen. A, Amboplax peresi, Brazil: male 5.1 × 6.4 mm (ZRC 2015.217); B, Amboplax peresi, Brazil: ovigerous female 4.9 × 6.2 mm (ZRC 2015.217); C, Chasmocarcinus gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); D, Chasmocarcinus latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); E, Deltopelta obliquus, A, Bahamas: holotype male 5.2 × 5.1 mm (USNM 20509); F, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba); G, Deltopelta obliquus, Belize: female 10.7 × 13.0 mm (PMNH, holotype of Hephthopelta superba, after Boone 1927: fig. 5)." httpUri="https://zenodo.org/record/272651/files/figure.png" pageId="13" pageNumber="14">Fig. 5</figureCitation>
C). Fingers of major chela of large males prominently curved, slender, long (
<figureCitation id="E1F956A0FFAEFFF6FDCCFBF8FDBBFB87" box="[561,630,1065,1086]" captionStart="FIGURE 36" captionStartId="109.[151,250,1785,1807]" captionTargetBox="[151,1436,193,1764]" captionTargetId="figure@109.[151,1436,193,1764]" captionTargetPageId="109" captionText="FIGURE 36. Chelae of species of Chasmocarcinus. A, B, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); C, D, C. hirsutipes, Brazil: holotype male 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 6 e, f); E, C. latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); F, C. latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); G, H, C. latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); I, J, C. longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785)." httpUri="https://zenodo.org/record/272682/files/figure.png" pageId="13" pageNumber="14">Fig. 36</figureCitation>
A) [Pacific coast of
<collectingCountry id="01D50AB5FFAEFFF6FCCAFBF8FC6CFB87" box="[823,929,1065,1086]" name="Costa Rica" pageId="13" pageNumber="14">Costa Rica</collectingCountry>
].........................
<taxonomicName id="BEC231A6FFAEFFF6FB1FFBF8FA92FB87" ID-CoL="TQ7C" box="[1250,1375,1065,1086]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="gemmatus" status="sp. nov.">
<emphasis id="4BB69637FFAEFFF6FB1FFBF8FA92FB87" box="[1250,1375,1065,1086]" italics="true" pageId="13" pageNumber="14">C. gemmatus</emphasis>
</taxonomicName>
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<emphasis id="4BB69637FFAEFFF6FA9BFBF9FA51FB87" bold="true" box="[1382,1436,1064,1086]" pageId="13" pageNumber="14">n. sp.</emphasis>
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</keyLead>
</materialsCitation>
</paragraph>
<paragraph id="797D4A25FFAEFFF6FF6AFB97FA51FBC0" blockId="13.[151,1436,185,1145]" pageId="13" pageNumber="14">
<materialsCitation id="C9AA4078FFAEFFF6FF6AFB97FA51FBC0" ID-GBIF-Occurrence="1424726027" collectingDate="1936-01" country="Costa Rica" location="Pterygostomial region" municipality="Pacific" pageId="13" pageNumber="14" specimenCount="1">
<keyLead id="C233E910FFAEFFF6FF6AFB97FA51FBC0" pageId="13" pageNumber="14">
-
<location id="7C1D1CFEFFAEFFF6FF1CFB97FE7BFBE2" LSID="urn:lsid:plazi:treatment:F16BFB33FFAFFFF6FF6AF815FA51FBC0:7C1D1CFEFFAEFFF6FF1CFB97FE7BFBE2" box="[225,438,1094,1115]" country="Costa Rica" municipality="Pacific" name="Pterygostomial region" pageId="13" pageNumber="14">Pterygostomial region</location>
not prominent, not visible from dorsal view (
<figureCitation id="E1F956A0FFAEFFF6FC8FFB97FC60FBE2" box="[882,941,1094,1115]" captionStart="FIGURE 4" captionStartId="23.[151,250,1656,1678]" captionTargetBox="[151,1436,193,1634]" captionTargetId="figure@23.[151,1436,193,1634]" captionTargetPageId="23" captionText="FIGURE 4. Overall dorsal view of species of Chasmocarcinus. A, C. latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); B, C. latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); C, C. latipes, Ecuador: male 10.5 × 14.3 mm (AMNH 1941 - 10668); D, C. latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); E, C. latipes, Mexico: female 7.5 × 10.5 mm (AMNH 16262, paratype female of Chasmocarcinus ferrugineus Glassell, 1936); F, C. longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785); G, C. meloi, Brazil: holotype male 5.3 × 6.2 mm (after Coelho &amp; Coelho 1998: fig. 8 a); H, C. mississippiensis, Gulf of Mexico: holotype male 8.3 × 10.4 mm (USNM 64074)." httpUri="https://zenodo.org/record/272650/files/figure.png" pageId="13" pageNumber="14">Fig. 4</figureCitation>
F). Fingers of major chela of large males relatively short, slightly curved (
<figureCitation id="E1F956A0FFAEFFF6FE44FBB5FE32FBC0" box="[441,511,1124,1145]" captionStart="FIGURE 36" captionStartId="109.[151,250,1785,1807]" captionTargetBox="[151,1436,193,1764]" captionTargetId="figure@109.[151,1436,193,1764]" captionTargetPageId="109" captionText="FIGURE 36. Chelae of species of Chasmocarcinus. A, B, C. gemmatus n. sp., Costa Rica: male 7.7 × 11.6 mm (SIO C 1205); C, D, C. hirsutipes, Brazil: holotype male 6.6 × 7.0 mm (after Coelho &amp; Coelho 1998: fig. 6 e, f); E, C. latipes, Mexico: holotype female 12.4 × 14.4 mm (USNM 21592); F, C. latipes, Mexico: female 9.2 × 13.0 mm (AMNH 16262, holotype female of Chasmocarcinus ferrugineus Glassell, 1936); G, H, C. latipes, Ecuador: male 10.5 × 14.5 mm (AMNH 1941 - 10668); I, J, C. longipes, Colombia: paratype male 5.5 × 6.4 mm (USNM 78785)." httpUri="https://zenodo.org/record/272682/files/figure.png" pageId="13" pageNumber="14">
Fig.
<collectingDate id="1D38950DFFAEFFF6FE1BFBB5FE32FBC0" box="[486,511,1124,1145]" pageId="13" pageNumber="14" value="1936-01">
<date id="0D7C6CE5FFAEFFF6FE1BFBB5FE32FBC0" box="[486,511,1124,1145]" pageId="13" pageNumber="14" value="1936-01">36</date>
</collectingDate>
</figureCitation>
I) [
<collectingMunicipality id="9919D05FFFAEFFF6FDE4FBB5FD93FBC0" box="[537,606,1124,1145]" pageId="13" pageNumber="14">Pacific</collectingMunicipality>
coast of
<collectingCountry id="01D50AB5FFAEFFF6FD48FBB5FCD3FBC0" box="[693,798,1124,1145]" name="Costa Rica" pageId="13" pageNumber="14">Costa Rica</collectingCountry>
to
<collectingCountry id="01D50AB5FFAEFFF6FCC1FBB5FC42FBC0" box="[828,911,1124,1145]" name="Ecuador" pageId="13" pageNumber="14">Ecuador</collectingCountry>
].................................
<taxonomicName id="BEC231A6FFAEFFF6FAD3FBB5FA51FBC0" ID-CoL="TQ7F" box="[1326,1436,1124,1145]" class="Malacostraca" family="Chasmocarcinidae" genus="Chasmocarcinus" kingdom="Animalia" order="Decapoda" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="longipes">
<emphasis id="4BB69637FFAEFFF6FAD3FBB5FA51FBC0" box="[1326,1436,1124,1145]" italics="true" pageId="13" pageNumber="14">C. longipes</emphasis>
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</paragraph>
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</treatment>
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