Decanet name details
Grapsus (Pachygrapsus) Randall, 1840
450325 (urn:lsid:marinespecies.org:taxname:450325)
unaccepted (superseded status)
Subgenus
- Species Grapsus (Pachygrapsus) aethiopicus Hilgendorf, 1869 accepted as Metopograpsus messor (Forskål, 1775) (unaccepted > junior subjective synonym)
marine, brackish, fresh, terrestrial
recent only
(of Pachygrapsus Randall, 1840) Randall, J.W. (1840). Catalogue of the Crustacea brought by Thomas Nutall and J.K. Townsend, from the West Coast of North America and the Sandwich Islands, with descriptions of such species as are apparently new, among which are included several species of different localities, previously existing in the collection of the Academy. <em>Journal of the Academy of Natural Sciences at Philadelphia.</em> 8: 106-147, pls. 3-7. [details] 
DecaNet eds. (2025). DecaNet. Grapsus (Pachygrapsus) Randall, 1840. Accessed at: https://decanet.info/aphia.php/aphia.php?p=taxdetails&id=450325 on 2025-09-12
Date
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by
original description
(of Pachygrapsus Randall, 1840) Randall, J.W. (1840). Catalogue of the Crustacea brought by Thomas Nutall and J.K. Townsend, from the West Coast of North America and the Sandwich Islands, with descriptions of such species as are apparently new, among which are included several species of different localities, previously existing in the collection of the Academy. <em>Journal of the Academy of Natural Sciences at Philadelphia.</em> 8: 106-147, pls. 3-7. [details]