Pannychia Theel 1882
- 1. Center for Molecular Biodiversity Research, National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba, Ibaraki, 3050005, Japan. & Institute for Extra-cutting-edge Science and Technology Avant-garde Research (X-STAR), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2 - 15 Natsushima-cho, Yokosuka, Kanagawa, 2370061, Japan. & Department of Zoology, National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba, Ibaraki, 3050005, Japan. & Graduate School of Science, The University of Tokyo, 7 - 3 - 1 Hongo, Bunkyo-ku, Tokyo, 1130033, Japan.
- 2. Department of Zoology, National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba, Ibaraki, 3050005, Japan. & Graduate School of Science, The University of Tokyo, 7 - 3 - 1 Hongo, Bunkyo-ku, Tokyo, 1130033, Japan. & Misaki Marine Biological Station, Graduate School of Science, The University of Tokyo, 1024 Koajiro, Misaki, Miura, Kanawaga, 2380225, Japan.
- 3. Misaki Marine Biological Station, Graduate School of Science, The University of Tokyo, 1024 Koajiro, Misaki, Miura, Kanawaga, 2380225, Japan.
- 4. Department of Zoology, National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba, Ibaraki, 3050005, Japan. & Graduate School of Science, The University of Tokyo, 7 - 3 - 1 Hongo, Bunkyo-ku, Tokyo, 1130033, Japan.
Description
Key to the species of Pannychia (see also Table 1)
1. Dorsal papillae arranged in up to four rows in each radius. Rod ossicles present in dorsal and/or ventral body walls........ 2
- Dorsal papillae arranged in two rows in each radius. Rod ossicles absent in dorsal and ventral body walls............... 3
2. White or yellowish color of tentacles, tube feet and ventral body wall and high density of ossicles in dorsal body walls...................................................................................... P. henrici Ludwig, 1894
- Whole body skin dark violet, maximum diameter of large wheel ossicles in dorsal body walls not exceeding 200 µm, and dorsal and ventral body ossicles are distributed in low density.................................. P. virgulifera Ohshima, 1915
3. Small wheel ossicles in dorsal and ventral body walls with rim teeth........................... P. rinkaimaruae sp. nov.
- Small wheel ossicles in dorsal and ventral body walls without rim teeth........................................... 4
4. Mid-sized wheel ossicles, having rounded triangular rim teeth but calcareous membrane incompletely covering the nave, present in dorsal and ventral body walls. In addition, perforated wheel ossicles, disk-shaped with about 30 perforations, present in dorsal body walls.............................................................. P. nagasakimaruae sp. nov.
- Neither mid-sized wheel nor perforated wheels present in dorsal and ventral body walls.............................. 5
5. Maximum diameter of large wheel ossicles in dorsal body walls exceeds 300 µm................................................................................................ P. taylorae O’Loughlin in O’Loughlin et al., 2013
- Maximum diameter of large wheel ossicles in dorsal body walls does not exceed 240 µm........... P. moseleyi Théel, 1882
Notes
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Laetmogonidae
- Genus
- Pannychia
- Kingdom
- Animalia
- Order
- Elasipodida
- Phylum
- Echinodermata
- Scientific name authorship
- Theel
- Taxon rank
- genus
- Taxonomic concept label
- Pannychia Theel, 1882 sec. Ogawa, Kobayashi, Kohtsuka & Fujita, 2023
References
- Ludwig, H. (1894) Reports on an exploration off the West Coasts of Mexico, Central and South America, and off the Galapagos Islands. in Charge of Alexander Agassiz, by the U. S. Fish Commission Steamer " Albatross, " during 1891, Lieut. Commander Z. L. Tanner, U. S. N., Commanding. XII. The Holothuroidea. Memoirs of the Museum of Comparative Zoology, 17 (3), 1 - 183.
- Ohshima, H. (1915) Report on the Holothurians Collected by the United States Fisheries Steamer " Albatross " in the Northwestern Pacific during the Summer of 1906. Proceedings of the National Museum, 48, 212 - 291. https: // doi. org / 10.5479 / si. 00963801.48 - 2073.213
- O'Loughlin, P. M., Mackenzie, M. & VandenSpiegel, D. (2013) New sea cucumber species from the seamounts on the Southwest Indian Ocean Ridge (Echinodermata: Holothuroidea: Aspidochirotida, Elasipodida, Dendrochirotida). Memoirs of Museum Victoria, 70, 37 - 50. https: // doi. org / 10.24199 / j. mmv. 2013.70.04
- Theel, H. (1882) Report on the Holothuroidea dredged by the H. M. S. Challenger, during the years 1873 - 1876. Part I. Report of the Scientific Results of the Voyage of H. M. S. Challenger during the years 1873 - 76. Zoology, 4 (3), 1 - 176.