<documentid="FF2546A7F7CD07A6FE69C6C394A48A89"ID-DOI="10.11646/zootaxa.5506.2.4"ID-ISSN="1175-5326"ID-Zenodo-Dep="13746857"ID-ZooBank="55527A8F-3454-49A2-AD65-ECBAE234C03D"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="guilherme"IM.materialsCitations_approvedBy="guilherme"IM.metadata_approvedBy="felipe"IM.tables_requiresApprovalFor="GgImagineBatch"IM.taxonomicNames_approvedBy="guilherme"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="guilherme"checkinTime="1726053489261"checkinUser="plazi"docAuthor="Setyastuti, Ana, Solis-Marin, Francisco Alonso & Lüter, Carsten"docDate="2024"docId="03C0F828FFB53A1F95F4FE80FD6C3192"docLanguage="en"docName="zootaxa.5506.2.4.pdf"docOrigin="Zootaxa 5506 (2)"docSource="http://dx.doi.org/10.11646/zootaxa.5506.2.4"docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article"docStyleId="647186512141C8FC8976D5BCC54AEB7D"docStyleName="Zootaxa.2013-.journal_article"docStyleVersion="9"docTitle="Labidodemas rugosum Kudingareng-Sulawesi"docType="treatment"docVersion="4"lastPageNumber="232"masterDocId="FFF98050FFB73A1A9563FFA7FF823509"masterDocTitle="Sea cucumbers of the genus Labidodemas (Holothuroidea: Holothuriida: Holothuriidae) from Indonesia, with the description of a new species and a revised key to the genus"masterLastPageNumber="244"masterPageNumber="227"pageNumber="229"updateTime="1726487377718"updateUser="guilherme"zenodo-license-document="CLOSED">
<mods:titleid="FEAD2835DD7B3B8B19A89A28BCFB2B62">Sea cucumbers of the genus Labidodemas (Holothuroidea: Holothuriida: Holothuriidae) from Indonesia, with the description of a new species and a revised key to the genus</mods:title>
<mods:affiliationid="8DF267747E600204A2E06AEE566189DF">Research Center for Oceanography, National Research and Innovation Agency (BRIN). Jalan Pasir Putih I, Ancol Timur, Jakarta Utara, 14430, Indonesia</mods:affiliation>
<mods:namePartid="3AB90ACB333B854A10A3600CA08BC429">Solis-Marin, Francisco Alonso</mods:namePart>
<mods:affiliationid="CB4546B4B9EA57CF613DD4D95AA175DF">Colección Nacional de Equinodermos “ Dra. Ma. Elena Caso Muñoz ”, Laboratorio de Sistemática y Ecología de Equinodermos, Instituto de Ciencias del Mar y Limnología (ICML), Universidad Nacional Autónoma de México (UNAM), Ciudad de México, C. P. 04510, México</mods:affiliation>
<mods:affiliationid="AE3F3957487925D284571D8A5C340458">Museum fuer Naturkunde, Leibniz Institute for Evolution and Biodiversity Science. Invalidenstr. 43, 10115, Berlin, Germany</mods:affiliation>
<bibRefCitationid="EFF834CFFFB53A1894D8FE80FDE53448"author="Ludwig, H."box="[443,615,295,321]"pageId="2"pageNumber="229"pagination="77 - 118"refId="ref8343"refString="Ludwig, H. (1875) Beitrage zur Kenntniss der Holothurien. Arbeiten aus dem Zoologisch-Zootomischen Institut in Wurzburg, 2, 77 - 118."type="journal article"year="1875">Ludwig, 1875</bibRefCitation>
<bibRefCitationid="EFF834CFFFB53A189438FE37FD9F34A1"author="Ludwig, H."box="[347,541,399,424]"pageId="2"pageNumber="229"pagination="77 - 118"refId="ref8343"refString="Ludwig, H. (1875) Beitrage zur Kenntniss der Holothurien. Arbeiten aus dem Zoologisch-Zootomischen Institut in Wurzburg, 2, 77 - 118."type="journal article"year="1875">Ludwig, 1875: 110</bibRefCitation>
<bibRefCitationid="EFF834CFFFB53A189489FE6AFDFE34EC"author="Panning, A."box="[490,636,461,485]"pageId="2"pageNumber="229"pagination="65 - 84"refId="ref8520"refString="Panning, A. (1934 b) Die Gattung Holothuria. 3. Teil. Mitteilungen aus dem Zoologichen Staatsinstitur und Zoologischen Museum in Hamburg, 1934, 65 - 84."type="journal article"year="1934">Panning, 1934</bibRefCitation>
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<bibRefCitationid="EFF834CFFFB53A189419FE4BFDFF370A"author="Jangoux, M. & De Ridder, C. & Massin, C. & Darsono, P."box="[378,637,491,516]"pageId="2"pageNumber="229"pagination="161 - 170"refId="ref8131"refString="Jangoux, M., De Ridder, C., Massin, C. & Darsono, P. (1989) The holothuroids, echinoids and asteroids (echinodermata) collected by the Snellius-II expedition. Netherlands Journal of Sea Research, 23, 161 - 170. https: // doi. org / 10.1016 / 0077 - 7579 (89) 90010 - 0"type="journal article"year="1989">
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<bibRefCitationid="EFF834CFFFB53A1894EFFDADFD0D372B"author="Massin, C. & Samyn, Y. & Thandar, A. S."box="[396,655,522,546]"pageId="2"pageNumber="229"pagination="1811 - 1847"refId="ref8451"refString="Massin, C., Samyn, Y. & Thandar, A. S. (2004) The genus Labidodemas (Holothuroidea: Aspidochirotida) revisited, with description of three new species and with re-positioning of Holothuria (Irenothuria) maccullochi Deichmann, 1958. Journal of Natural History, 38, 1811 - 1847. https: // doi. org / 10.1080 / 0022293031000156268"type="journal article"year="2004">
<treatmentCitationid="0AC86F2FFFB53A189123FDADFAE7372B"author="Purwati, P. & Wirawati, I."box="[1088,1381,522,546]"page="7"pageId="2"pageNumber="229"year="2011">
<bibRefCitationid="EFF834CFFFB53A189123FDADFAE7372B"author="Purwati, P. & Wirawati, I."box="[1088,1381,522,546]"pageId="2"pageNumber="229"pagination="1 - 10"refId="ref8592"refString="Purwati, P. & Wirawati, I. (2011) Holothuriidae (Echinodermata, Holothuroidea, Aspidochirotida) Perairan Dangkal Lombok Barat Bagian II. Genus Actinopyga, Bohadschia, Pearsonothuria, Labidodemas. Jurnal Oseanologi, 3 (1 / 2), 1 - 10."type="journal article"year="2011">Purwati & Wirawati, 2011: 7</bibRefCitation>
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<bibRefCitationid="EFF834CFFFB53A1894AAFD34FDEE37A7"author="Ludwig, H."box="[457,620,659,686]"pageId="2"pageNumber="229"pagination="77 - 118"refId="ref8343"refString="Ludwig, H. (1875) Beitrage zur Kenntniss der Holothurien. Arbeiten aus dem Zoologisch-Zootomischen Institut in Wurzburg, 2, 77 - 118."type="journal article"year="1875">Ludwig, 1875</bibRefCitation>
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<bibRefCitationid="EFF834CFFFB53A189779F97FFD3233F9"author="Ludwig, H."box="[538,688,1752,1776]"pageId="2"pageNumber="229"pagination="77 - 118"refId="ref8343"refString="Ludwig, H. (1875) Beitrage zur Kenntniss der Holothurien. Arbeiten aus dem Zoologisch-Zootomischen Institut in Wurzburg, 2, 77 - 118."type="journal article"year="1875">Ludwig, 1875</bibRefCitation>
)
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. Live specimen photograph, MZB Hol.427 (70x15 mm in ethanol). A: dorsal; B. ventral; C: illustration of calcareous ring.
thick. Mouth and anus terminal; mouth white in colour, surrounded by 18–20 yellow tentacles. Dorsal papillae small, scattered over the surface. Ventral tube feet longer than dorsal papillae (
<bibRefCitationid="EFF834CFFFB43A199776F9BBFD2B333D"author="Ludwig, H."box="[533,681,1564,1588]"pageId="3"pageNumber="230"pagination="77 - 118"refId="ref8343"refString="Ludwig, H. (1875) Beitrage zur Kenntniss der Holothurien. Arbeiten aus dem Zoologisch-Zootomischen Institut in Wurzburg, 2, 77 - 118."type="journal article"year="1875">Ludwig, 1875</bibRefCitation>
)
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. A, C, D, and E, MZB Hol.427; B, MZB Hol.390. Dorsal body wall, A: tables; B: buttons. Ventral body wall, C: tables; D: buttons. E: tentacle rods.
). Cuvierian tubules present only in Hol.390, adhesive, long and thin, whitish, branched, distal part of the tube smooth, more than 10 attachment sites. Tentacle ampullae present,
). Gonad only observed in Hol.425, one tuft, whitish, branched. Respiratory tree arises from single stalk. Longitudinal muscle flat, medially attached and lateral margins free. Inner body wall whitish with numerous black dots under the muscles. Intestine filled with small gravel and rough coral sand.
<bibRefCitationid="EFF834CFFFB33A1E9768F907FD1F33B1"author="Ludwig, H."box="[523,669,1696,1720]"pageId="4"pageNumber="231"pagination="77 - 118"refId="ref8343"refString="Ludwig, H. (1875) Beitrage zur Kenntniss der Holothurien. Arbeiten aus dem Zoologisch-Zootomischen Institut in Wurzburg, 2, 77 - 118."type="journal article"year="1875">Ludwig, 1875</bibRefCitation>
. Dorsal body wall with tables and buttons; table discs 70–110 µm across, disc rims very spinous; margin of the disc slightly turned upward; perforated by four central holes; spire moderate to high, with four undulating pillars united by one cross beam, terminating in narrow crown consisting of a cluster of stout spines (
). Ventral body wall with tables and buttons; their shape similar to those of the dorsal body wall but bigger, and buttons more numerous than in dorsal body wall. Table discs 90–120 µm, and buttons 50–70 µm long (
Dorsal papillae with tables, buttons and rods; tables similar in shape to those of dorsal body wall, but generally bigger, table disc 80–130 µm across (
); buttons with four to five pairs of irregular holes, smooth rim but undulating, 50–80 µm long; buttons with rim rather spinous but blunt spines, only a few, 60–70 µm long (
). Ventral tube feet with tables, buttons, and perforated plates and endplates. Tables and buttons shape similar to those in the ventral body wall, table discs 60–90 µm across and button 60–90 µm long (
. The body colour of the current materials is uniformly white, as described by
<bibRefCitationid="EFF834CFFFB23A1F91D3FE7EFA1A34FA"author="Massin, C. & Samyn, Y. & Thandar, A. S."box="[1200,1432,473,500]"pageId="5"pageNumber="232"pagination="1811 - 1847"refId="ref8451"refString="Massin, C., Samyn, Y. & Thandar, A. S. (2004) The genus Labidodemas (Holothuroidea: Aspidochirotida) revisited, with description of three new species and with re-positioning of Holothuria (Irenothuria) maccullochi Deichmann, 1958. Journal of Natural History, 38, 1811 - 1847. https: // doi. org / 10.1080 / 0022293031000156268"type="journal article"year="2004">
<bibRefCitationid="EFF834CFFFB23A1F95F4FE5AFEBE371E"author="Massin, C."box="[151,316,509,535]"pageId="5"pageNumber="232"refId="ref8410"refString="Massin, C. (1999) Reef-dwelling Holothuroidea (Echinodermata) of the Spermonde Archipelago (South-West Sulawesi, Indonesia). Zoologische verhandelingen. Vol. 329. National Museum of Natural History, Leiden, 144 pp."type="book"year="1999">Massin (1999)</bibRefCitation>
, and
<bibRefCitationid="EFF834CFFFB23A1F9414FE5AFDA7371E"author="Pearson, J."box="[375,549,509,535]"pageId="5"pageNumber="232"pagination="49 - 101"refId="ref8553"refString="Pearson, J. (1913) Notes on the Holothurioidea of the Indian Ocean. Spolia Zeylandica, 9, 49 - 101. https: // doi. org / 10.5962 / bhl. part. 7317"type="journal article"year="1913">Pearson (1913)</bibRefCitation>
; not translucent pink, as described by
<bibRefCitationid="EFF834CFFFB23A1F96ACFE5AFBEA371E"author="James, D. B."box="[975,1128,509,535]"pageId="5"pageNumber="232"pagination="82 - 85"refId="ref8077"refString="James, D. B. (1981) Studies on Indian Echinoderms 7. On a new Family Labidodematidae (Holothurioidea: Aspidochirotida) with a detailed description of Labidodemas rugosum (Ludwig) from the Andamans. Journal of the Marine Biological Association of India, 23, 82 - 85."type="journal article"year="1981">James (1981)</bibRefCitation>
. Specimens from this study found 18–20 tentacles, contrary to the previously observed 20 (
<bibRefCitationid="EFF834CFFFB23A1F9613FD87FBD13732"author="Massin, C. & Samyn, Y. & Thandar, A. S."box="[880,1107,544,571]"pageId="5"pageNumber="232"pagination="1811 - 1847"refId="ref8451"refString="Massin, C., Samyn, Y. & Thandar, A. S. (2004) The genus Labidodemas (Holothuroidea: Aspidochirotida) revisited, with description of three new species and with re-positioning of Holothuria (Irenothuria) maccullochi Deichmann, 1958. Journal of Natural History, 38, 1811 - 1847. https: // doi. org / 10.1080 / 0022293031000156268"type="journal article"year="2004">
<bibRefCitationid="EFF834CFFFB23A1F9103FD87FB7F3732"author="Massin, C."box="[1120,1277,544,571]"pageId="5"pageNumber="232"refId="ref8410"refString="Massin, C. (1999) Reef-dwelling Holothuroidea (Echinodermata) of the Spermonde Archipelago (South-West Sulawesi, Indonesia). Zoologische verhandelingen. Vol. 329. National Museum of Natural History, Leiden, 144 pp."type="book"year="1999">Massin, 1999</bibRefCitation>
;
<bibRefCitationid="EFF834CFFFB23A1F9068FD86FA153733"author="Rowe, F. W. E."box="[1291,1431,544,571]"pageId="5"pageNumber="232"pagination="117 - 170"refId="ref8722"refString="Rowe, F. W. E. (1969) A Review of The Family Holothuriidae. (Holothurioidea: Aspidochirotida). Bulletin of the British Museum (Natural History), Zoology, 18, 117 - 170. https: // doi. org / 10.5962 / bhl. part. 18419"type="journal article"year="1969">Rowe, 1969</bibRefCitation>
;
<bibRefCitationid="EFF834CFFFB23A1F95F4FDE3FEEE3757"author="Cherbonnier, G."box="[151,364,580,606]"pageId="5"pageNumber="232"pagination="1 - 292"refId="ref7768"refString="Cherbonnier, G. (1988) Echinodermes: Holothurides. Faune de Madagascar, 70, 1 - 292."type="journal article"year="1988">Cherbonnier, 1988</bibRefCitation>
;
<bibRefCitationid="EFF834CFFFB23A1F941AFDE3FD993756"author="Ludwig, H."box="[377,539,580,607]"pageId="5"pageNumber="232"pagination="77 - 118"refId="ref8343"refString="Ludwig, H. (1875) Beitrage zur Kenntniss der Holothurien. Arbeiten aus dem Zoologisch-Zootomischen Institut in Wurzburg, 2, 77 - 118."type="journal article"year="1875">Ludwig, 1875</bibRefCitation>
). Cuvierian tubules are absent according to
<bibRefCitationid="EFF834CFFFB23A1F916DFDE3FB773757"author="Massin, C. & Samyn, Y. & Thandar, A. S."box="[1038,1269,580,607]"pageId="5"pageNumber="232"pagination="1811 - 1847"refId="ref8451"refString="Massin, C., Samyn, Y. & Thandar, A. S. (2004) The genus Labidodemas (Holothuroidea: Aspidochirotida) revisited, with description of three new species and with re-positioning of Holothuria (Irenothuria) maccullochi Deichmann, 1958. Journal of Natural History, 38, 1811 - 1847. https: // doi. org / 10.1080 / 0022293031000156268"type="journal article"year="2004">
The current material ossicles differ from previous author descriptions in some ways. Tentacle rods are short (40–75 µm); many large table discs up to 100 µm, with four central holes and one ring of 8–12 peripheral holes, but occasionally with two rings of peripheral holes up to 14 holes in total, with the outer ring’s holes being smaller than the inner. The rim of the table disc is spinous, and the spines are longer and much more pointed than in
<bibRefCitationid="EFF834CFFFB23A1F9028FD50FEA1363C"author="Massin, C. & Samyn, Y. & Thandar, A. S."pageId="5"pageNumber="232"pagination="1811 - 1847"refId="ref8451"refString="Massin, C., Samyn, Y. & Thandar, A. S. (2004) The genus Labidodemas (Holothuroidea: Aspidochirotida) revisited, with description of three new species and with re-positioning of Holothuria (Irenothuria) maccullochi Deichmann, 1958. Journal of Natural History, 38, 1811 - 1847. https: // doi. org / 10.1080 / 0022293031000156268"type="journal article"year="2004">
<bibRefCitationid="EFF834CFFFB23A1F944DFCBCFE50363C"author="Massin, C."box="[302,466,795,821]"pageId="5"pageNumber="232"refId="ref8410"refString="Massin, C. (1999) Reef-dwelling Holothuroidea (Echinodermata) of the Spermonde Archipelago (South-West Sulawesi, Indonesia). Zoologische verhandelingen. Vol. 329. National Museum of Natural History, Leiden, 144 pp."type="book"year="1999">Massin (1999)</bibRefCitation>
, and
<bibRefCitationid="EFF834CFFFB23A1F976EFCBCFD24363C"author="James, D. B."box="[525,678,795,821]"pageId="5"pageNumber="232"pagination="82 - 85"refId="ref8077"refString="James, D. B. (1981) Studies on Indian Echinoderms 7. On a new Family Labidodematidae (Holothurioidea: Aspidochirotida) with a detailed description of Labidodemas rugosum (Ludwig) from the Andamans. Journal of the Marine Biological Association of India, 23, 82 - 85."type="journal article"year="1981">James (1981)</bibRefCitation>
, but it is similar to
<bibRefCitationid="EFF834CFFFB23A1F961FFCBCFBA8363C"author="Pearson, J."box="[892,1066,795,821]"pageId="5"pageNumber="232"pagination="49 - 101"refId="ref8553"refString="Pearson, J. (1913) Notes on the Holothurioidea of the Indian Ocean. Spolia Zeylandica, 9, 49 - 101. https: // doi. org / 10.5962 / bhl. part. 7317"type="journal article"year="1913">Pearson (1913)</bibRefCitation>
. Table crowns never have central perforation, whereas
<bibRefCitationid="EFF834CFFFB23A1F94E5FC99FDEE3651"author="Massin, C. & Samyn, Y. & Thandar, A. S."box="[390,620,830,857]"pageId="5"pageNumber="232"pagination="1811 - 1847"refId="ref8451"refString="Massin, C., Samyn, Y. & Thandar, A. S. (2004) The genus Labidodemas (Holothuroidea: Aspidochirotida) revisited, with description of three new species and with re-positioning of Holothuria (Irenothuria) maccullochi Deichmann, 1958. Journal of Natural History, 38, 1811 - 1847. https: // doi. org / 10.1080 / 0022293031000156268"type="journal article"year="2004">
usually have a small central perforation. MZB Hol.427 lacks body wall buttons but is present in MZB Hol.390 and MZB Hol.425 with undulating margins. Rods in dorsal papillae of present materials have never been documented before.
<bibRefCitationid="EFF834CFFFB23A1F96F1FC0DFBCF36CD"author="Lane, D. J. W. & Marsh, L. M. & VandenSpiegel, D. & Rowe, F. W. E."box="[914,1101,937,964]"pageId="5"pageNumber="232"pagination="459 - 493"refId="ref8229"refString="Lane, D. J. W., Marsh, L. M., VandenSpiegel, D. & Rowe, F. W. E. (2000) Echinoderm Fauna of the South China Sea: an Inventory and Analysis of Distribution Patterns. Raffles Bulletin of Zoology, 48, 459 - 493."type="journal article"year="2000">
<bibRefCitationid="EFF834CFFFB23A1F9757FC6AFC9F36EE"author="Jangoux, M. & De Ridder, C. & Massin, C. & Darsono, P."box="[564,797,973,1000]"pageId="5"pageNumber="232"pagination="161 - 170"refId="ref8131"refString="Jangoux, M., De Ridder, C., Massin, C. & Darsono, P. (1989) The holothuroids, echinoids and asteroids (echinodermata) collected by the Snellius-II expedition. Netherlands Journal of Sea Research, 23, 161 - 170. https: // doi. org / 10.1016 / 0077 - 7579 (89) 90010 - 0"type="journal article"year="1989">
. The following new localities are added here since
<bibRefCitationid="EFF834CFFFB23A1F9154FB9EFADC315A"author="Massin, C. & Samyn, Y. & Thandar, A. S."box="[1079,1374,1081,1107]"pageId="5"pageNumber="232"pagination="1811 - 1847"refId="ref8451"refString="Massin, C., Samyn, Y. & Thandar, A. S. (2004) The genus Labidodemas (Holothuroidea: Aspidochirotida) revisited, with description of three new species and with re-positioning of Holothuria (Irenothuria) maccullochi Deichmann, 1958. Journal of Natural History, 38, 1811 - 1847. https: // doi. org / 10.1080 / 0022293031000156268"type="journal article"year="2004">
<bibRefCitationid="EFF834CFFFB23A1F97DFFBFAFC64317E"author="Purwati, P. & Wirawati, I."box="[700,998,1117,1143]"pageId="5"pageNumber="232"pagination="1 - 10"refId="ref8592"refString="Purwati, P. & Wirawati, I. (2011) Holothuriidae (Echinodermata, Holothuroidea, Aspidochirotida) Perairan Dangkal Lombok Barat Bagian II. Genus Actinopyga, Bohadschia, Pearsonothuria, Labidodemas. Jurnal Oseanologi, 3 (1 / 2), 1 - 10."type="journal article"year="2011">Purwati & Wirawati 2011</bibRefCitation>