Lycaeopsis Claus, 1879
publication ID |
https://doi.org/ 10.5281/zenodo.157410 |
publication LSID |
lsid:zoobank.org:pub:41C7D868-7BD9-46F4-94F1-EBEA427E2836 |
DOI |
https://doi.org/10.5281/zenodo.6269718 |
persistent identifier |
https://treatment.plazi.org/id/BE758319-FF8B-BA00-FB4D-052AA7A9FED6 |
treatment provided by |
Plazi |
scientific name |
Lycaeopsis Claus, 1879 |
status |
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Genus Lycaeopsis Claus, 1879 View in CoL
Lycaeopsis Claus, 1879: 41 View in CoL –42. Carus 1885: 426. Gerstaecker 1886: 486. Claus 1887: 66. Stebbing 1888: 1458. Spandl 1924: 27. Chevreux & Fage 1925: 417. Spandl 1927: 213. Pirlot 1939: 42. Hurley 1955: 179. Bowman & Gruner 1973: 41. Zeidler 1978: 20. Vinogradov et al. 1982: 358. Shih & Chen 1995: 140. Vinogradov 1999: 1192.
Phorcus Milne Edwards, 1830: 385 View in CoL , 391–392. Milne Edwards 1838: 304. Lucas 1840: 235. Milne Edwards 1840: 79. Dana 1852: 316. Dana 1853: 1000. Bate 1862: 339. Gerstaecker 1886: 485. Claus 1887: 66.
Phorcorrhaphis Stebbing, 1888: 1451 View in CoL –1452.
Type species
Lycaeopsis themistoides Claus, 1879 View in CoL , by monotypy. Type material could not be found at the ZMB or ZMH and is considered lost. However, Lycaeopsis View in CoL is a readily recognisable genus.
Type species of synonyms
The type species of Phorcus is P. reynaudii Milne Edwards, 1830 . Type material could not be found at the ANSP or MNHN and is considered lost. Although the description by Milne Edwards (1830) is brief, he mentions the extremely long, thin pereopod 5 that is so characteristic of males of Lycaeopsis . However, Phorcus is preoccupied by a genus of Mollusca ( Risso 1826). Thus, Phorcorrhaphis was introduced by Stebbing (1888) as a replacement name. At the time Stebbing did not appreciate that, because of the extreme sexual dimorphism, females were described as species of Lycaeopsis , a genus that has priority.
Sexual dimorphism
This genus probably exhibits more extreme sexual dimorphism than any other hyperiidean. Apart from the structure of the first antennae, the extremely elongated articles of pereopod 5 distinguish males. Other differences are as follows; the body of males is more slender with the pereon being only about half as deep as the pleon, whereas in females they are of similar depth; females lack a mandibular palp; pereopod 6 of males has broader articles, especially the basis and merus; males of at least one species have the endopod of uropod 3 characteristically incised, and the telson is bottledshaped.
Remarks
Two species are currently recognised in this distinctive genus. While males are readily identifiable, females of the two are more difficult to distinguish.
Although Lycaeopsis is moderately common in tropical and temperate regions, very little is known about its biology.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
Kingdom |
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Phylum |
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Class |
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Order |
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Family |
Lycaeopsis Claus, 1879
Zeidler, Wolfgang 2004 |
Phorcorrhaphis
Stebbing 1888: 1451 |
Lycaeopsis
Vinogradov 1999: 1192 |
Shih 1995: 140 |
Vinogradov 1982: 358 |
Zeidler 1978: 20 |
Bowman 1973: 41 |
Hurley 1955: 179 |
Pirlot 1939: 42 |
Spandl 1927: 213 |
Chevreux 1925: 417 |
Spandl 1924: 27 |
Stebbing 1888: 1458 |
Claus 1887: 66 |
Gerstaecker 1886: 486 |
Carus 1885: 426 |
Claus 1879: 41 |
Phorcus
Claus 1887: 66 |
Gerstaecker 1886: 485 |
Bate 1862: 339 |
Dana 1853: 1000 |
Dana 1852: 316 |
Lucas 1840: 235 |
Milne 1840: 79 |
Milne 1838: 304 |
Milne 1830: 385 |