Porcellanopagurus
Encyclopedia
Porcellanopagurus is a genus of hermit crab
s, containing the following species:
Porcellanopagurus is unusual among hermit crabs in that the body is largely symmetrical
, with the abdomen held recurved above the cephalothorax
. L. A. Borradaile interpreted Porcellanopagurus as being an independent instance of carcinisation
among the Anomura
.
Hermit crab
Hermit crabs are decapod crustaceans of the superfamily Paguroidea. Most of the 1100 species possess an asymmetrical abdomen which is concealed in an empty gastropod shell that is carried around by the hermit crab.-Description:...
s, containing the following species:
- Porcellanopagurus adelocercus McLaughlin & Hogarth, 1998
- Porcellanopagurus belauensis Suzuki & Takeda, 1987
- Porcellanopagurus chiltoni de Saint Laurent & McLaughlin, 2000
- Porcellanopagurus edwardsiPorcellanopagurus edwardsiPorcellanopagurus edwardsi is a species of hermit crab that lives in the waters around New Zealand and its Subantarctic Islands.-Distribution:...
Filhol, 1885 - Porcellanopagurus filholi de Saint Laurent & McLaughlin, 2000
- Porcellanopagurus foresti Zarenkov, 1990
- Porcellanopagurus haptodactylus McLaughlin, 2000
- Porcellanopagurus jacquesi McLaughlin, 1997
- Porcellanopagurus japonicus Balss, 1913
- Porcellanopagurus nihonkaiensis Takeda, 1985
- Porcellanopagurus platei Lenz, 1902
- Porcellanopagurus tridentatus Whitelegge, 1900
- Porcellanopagurus truncatifrons Takeda, 1981
Porcellanopagurus is unusual among hermit crabs in that the body is largely symmetrical
Symmetry
Symmetry generally conveys two primary meanings. The first is an imprecise sense of harmonious or aesthetically pleasing proportionality and balance; such that it reflects beauty or perfection...
, with the abdomen held recurved above the cephalothorax
Cephalothorax
The cephalothorax is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind. The word cephalothorax is derived from the Greek words for head and thorax...
. L. A. Borradaile interpreted Porcellanopagurus as being an independent instance of carcinisation
Carcinisation
In evolutionary biology, carcinisation is a hypothesised process whereby a crustacean evolves into a crab-like form from a non-crab-like form. The term was introduced by L. A...
among the Anomura
Anomura
Anomura is a group of decapod crustaceans, including hermit crabs and others. Although the names of many anomurans includes the word crab, all true crabs are in the sister group to the Anomura, the Brachyura .-Description:The name Anomala reflects the unusual variety of forms in this group;...
.