Biology:Symethis
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Short description: Genus of crabs
| Symethis | |
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| Preserved specimen of S. variolosa | |
| Scientific classification | |
| Script error: No such module "Taxobox ranks".: | <div style="display:inline" class="script error: no such module "taxobox ranks".">Animalia |
| Script error: No such module "Taxobox ranks".: | <div style="display:inline" class="script error: no such module "taxobox ranks".">Arthropoda |
| Script error: No such module "Taxobox ranks".: | <div style="display:inline" class="script error: no such module "taxobox ranks".">Crustacea |
| Script error: No such module "Taxobox ranks".: | <div style="display:inline" class="script error: no such module "taxobox ranks".">Malacostraca |
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| Script error: No such module "Taxobox ranks".: | <div style="display:inline" class="script error: no such module "taxobox ranks".">Brachyura |
| Script error: No such module "Taxobox ranks".: | <div style="display:inline" class="script error: no such module "taxobox ranks".">Raninidae |
| Script error: No such module "Taxobox ranks".: | <div style="display:inline" class="script error: no such module "taxobox ranks".">Symethinae Goeke, 1981
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| Script error: No such module "Taxobox ranks".: | <div style="display:inline" class="script error: no such module "taxobox ranks".">Symethis Weber, 1795
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| Species | |
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Symethis is a genus of crabs. It differs from other genera in the family Raninidae by the lack of ornamentation of the male first pleopods and by the reduced number of gills (7 pairs rather than 8 pairs), and is therefore placed in a separate subfamily, Symethinae.[1]
There are three extant species:[2]
- Symethis corallica Davie, 1989 – Chesterfield Reefs, Coral Sea [3]
- Symethis garthi Goeke, 1981 – Pacific coast of Panama [1]
- Symethis variolosa (Fabricius, 1793) – western Atlantic Ocean, from North Carolina, to Bahia, Brazil [1]
One further species,[4] Symethis johnsoni is known from fossils of Paleogene age,[5] but may belong in the subfamily Lyreidinae rather than in Symethis.[5]
References
- ↑ 1.0 1.1 1.2 Gary D. Goeke (1981). "Symethinae, new subfamily, and Symethis garthi new species, and the transfer of Raninoides ecuadorensis to Notosceles (Raninidae: Brachyura: Gymnopleura)". Proceedings of the Biological Society of Washington 93 (4): 971–981. http://biostor.org/reference/73898.
- ↑ Peter Davie (2010). "Symethis Weber, 1795". WoRMS. World Register of Marine Species. http://www.marinespecies.org/aphia.php?p=taxdetails&id=416034.
- ↑ P. J. F. Davie (1989). "Smethis corallica sp. nov. (Crustacea, Brachyura, Raninidae), the first member of the Smethinae to be recorded". Bulletin du Muséum National d'Histoire Naturelle. 4th 11 (A2): 425–430. http://decapoda.nhm.org/pdfs/15244/15244.pdf.
- ↑ Sammy De Grave et al. (2009). "A classification of living and fossil genera of decapod crustaceans". Raffles Bulletin of Zoology Suppl. 21: 1–109. http://rmbr.nus.edu.sg/rbz/biblio/s21/s21rbz1-109.pdf.
- ↑ 5.0 5.1 David A. Waugh, Rodney M. Feldmann & Carrie E. Schweitzer (2009). "Systematic evaluation of raninid cuticle microstructure". Bulletin of the Mizunami Fossil Museum 35: 15–41. http://www.city.mizunami.gifu.jp/odocs/sightseeing/fossil_museum/pdf/bulletin_35/35_02A.pdf.
Wikidata ☰ Q7661268 entry
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