Pachygrapsus

Pachygrapsus is a genus of small shore crabs. Recent genetic data suggest this genus to be possibly polyphyletic.[3]

Pachygrapsus Temporal range: Miocene-recent [1]
Striped shore crab, Pachygrapsus crassipes
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Crustacea
Class:	Malacostraca
Order:	Decapoda
Infraorder:	Brachyura
Family:	Grapsidae
Subfamily:	Grapsinae
Genus:	Pachygrapsus Randall, 1839 [2]

It comprises the following species:[2]

• Pachygrapsus corrugatus (von Martens, 1872)
• Pachygrapsus crassipes Randall, 1840
• Pachygrapsus fakaravensis Rathbun, 1907
• Pachygrapsus gracilis (Saussure, 1858)
• Pachygrapsus laevimanus Stimpson, 1858
• Pachygrapsus loveridgei Chace, 1966
• Pachygrapsus marmoratus (Fabricius, 1787)
• Pachygrapsus maurus (Lucas, 1846)
• Pachygrapsus minutus A. Milne-Edwards, 1873
• Pachygrapsus planifrons De Man, 1888
• Pachygrapsus plicatus (H. Milne-Edwards, 1837)
• Pachygrapsus propinquus De Man, 1908
• Pachygrapsus socius Stimpson, 1871
• Pachygrapsus transversus (Gibbes, 1850)

References

1. "Pachygrapsus Randall 1839 (crab)". Fossilworks.org.
2. Peter K. L. Ng; Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286.
3. Christoph D. Schubart (2011). "Reconstruction of phylogenetic relationships within Grapsidae (Crustacea: Brachyura) and comparison of trans-isthmian versus amphi-atlantic gene flow based on mtDNA". Zoologischer Anzeiger. 250 (4): 472–478. doi:10.1016/j.jcz.2011.06.003.