How to Identify Porcellanidae

Porcellanidae is a animal family in the Animalia kingdom, order Decapoda, class Malacostraca. The family contains 16 accepted species worldwide.

Key Identification Features

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Representative Porcellanidae Species

How to identify Petrolisthes novaezelandiae Filhol, 1885

Petrolisthes novaezelandiae Filhol, 1885

Petrolisthes novaezelandiae Filhol, 1885

Petrolisthes novaezelandiae is a small porcellanid crab endemic to New Zealand, …

How to identify Pisidia longicornis (Linnaeus, 1767)

Pisidia longicornis (Linnaeus, 1767)

Pisidia longicornis (Linnaeus, 1767)

Pisidia longicornis is a small marine porcelain crab found in the northeastern A…

How to identify Porcellana platycheles (Pennant, 1777)

Porcellana platycheles (Pennant, 1777)

Porcellana platycheles (Pennant, 1777)

Porcellana platycheles, the broad-clawed porcelain crab, is a small crustacean f…

How to identify Petrolisthes cabrilloi Glassell, 1945

Petrolisthes cabrilloi Glassell, 1945

Petrolisthes cabrilloi Glassell, 1945

Petrolisthes cabrilloi, the Cabrillo porcelain crab, is a California intertidal …

How to identify Pachycheles rudis Stimpson, 1859

Pachycheles rudis Stimpson, 1859

Pachycheles rudis Stimpson, 1859

Pachycheles rudis is a filter-feeding porcelain crab from the East Pacific coast…

How to identify Petrolisthes elongatus (H.Milne-Edwards, 1837)

Petrolisthes elongatus (H.Milne-Edwards, 1837)

Petrolisthes elongatus (H.Milne-Edwards, 1837)

Petrolisthes elongatus is a porcelain crab native to New Zealand, introduced to …

How to identify Petrolisthes armatus (Gibbes, 1850)

Petrolisthes armatus (Gibbes, 1850)

Petrolisthes armatus (Gibbes, 1850)

Petrolisthes armatus, the green porcelain crab, is a small invasive crab with a …

How to identify Petrolisthes manimaculis Glassell, 1945

Petrolisthes manimaculis Glassell, 1945

Petrolisthes manimaculis Glassell, 1945

Petrolisthes manimaculis is a crustacean with defined physical traits that disti…

How to identify Neopetrolisthes maculatus (H.Milne-Edwards, 1837)

Neopetrolisthes maculatus (H.Milne-Edwards, 1837)

Neopetrolisthes maculatus (H.Milne-Edwards, 1837)

Neopetrolisthes maculatus is a colorful porcelain-spotted crab that lives in pai…

How to identify Petrolisthes cinctipes (J.W.Randall, 1840)

Petrolisthes cinctipes (J.W.Randall, 1840)

Petrolisthes cinctipes (J.W.Randall, 1840)

Petrolisthes cinctipes is a crab-like crustacean with distinct morphological tra…

How to identify Petrolisthes eriomerus Stimpson, 1871

Petrolisthes eriomerus Stimpson, 1871

Petrolisthes eriomerus Stimpson, 1871

Petrolisthes eriomerus is a small porcelain crab found from California to Alaska…

How to identify Petrolisthes violaceus (Guérin, 1831)

Petrolisthes violaceus (Guérin, 1831)

Petrolisthes violaceus (Guérin, 1831)

Petrolisthes violaceus is a common intertidal crab ranging from Peru to southern…

Browse all 16 Porcellanidae species →

Frequently Asked Questions

How do you identify Porcellanidae?

Porcellanidae animals belong to the Decapoda order in the Animalia kingdom. The chelipeds are made of four segments instead of five, and the chelae are long, with a distinctive orange spot that becomes visible when the chelae are parted. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Porcellanidae?

Porcellanidae is classified in the order Decapoda, class Malacostraca, phylum Arthropoda. A second distinguishing feature separates it from P.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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