Acanthacaris

Acanthacaris is a genus of deep-water lobsters. It contains two species, A. caeca and A. tenuimana, and is the only genus in the subfamily Neophoberinae.[1][2]

Acanthacaris
Acanthacaris tenuimana
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Superfamily: Nephropoidea
Family: Nephropidae
Subfamily: Neophoberinae
Glaessner, 1969
Genus: Acanthacaris
Bate, 1888
Type species
Acanthacaris tenuimana
Spence Bate, 1888
Species
  • Acanthacaris caeca A. Milne-Edwards, 1881
  • Acanthacaris tenuimana Spence Bate, 1888
Synonyms [1]

Description

They are relatively large lobsters with a cylindrical body covered with sharp spines (hence the genus name, meaning "spiny shrimp"). The carapace has a well-developed rostrum. The eyes are very small and lack pigment, while the antennae are long and whiplike. The telson and uropods are powerful. The first three pairs of walking legs end in claws. The first pair of claws is symmetrical, and ends in long fingers covered with sharp spines on cutting edges, but without hairs. The second pair of walking legs is much longer than the third pair. Both species reach a length of 40 centimetres (16 in).[1]

Taxonomy

The genus Acanthacaris is the only genus in the subfamily Neophoberinae, and contains two species:

The genus was originally described as "Phoberus" by Alphonse Milne-Edwards in 1881, with "Phoberus caecus" (A. caeca) as the type species; this transpired to be a junior homonym of Phoberus erected by William Sharp Macleay in 1819 (a subgenus of the beetle genus Trox).[1][3] Although the replacement name (nomen novum) "Neophoberus" was provided by Martin Glaessner in 1969,[4] this is pre-dated by Charles Spence Bate's 1888 name Acanthacaris, which has A. tenuimana as the type species.[1]

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References
  1. Lipke B. Holthuis (1991). "Subfamily Neophoberinae Glaessner, 1969". FAO Species Catalogue, Volume 13. Marine Lobsters of the World (PDF). FAO Fisheries Synopsis No. 125. Food and Agriculture Organization. pp. 26–28. ISBN 92-5-103027-8.
  2. Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109. Archived from the original (PDF) on 2011-06-06.
  3. Werner P. Strümpher; Clarke H. Scholtz (2009). "New species and status changes of small flightless relictual Trox Fabricius from southern Africa (Coleoptera: Trogidae)". Insect Systematics & Evolution. 40 (1): 71–84. doi:10.1163/187631209X416723.
  4. Martin Glaessner (1969). "Decapoda". In R. C. Moore (ed.). Treatise on Invertebrate Paleontology. R(2). pp. 399–533.


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