MolluscaBase taxon details
Opertochasma Stephenson, 1952 †
1480105 (urn:lsid:marinespecies.org:taxname:1480105)
accepted
Genus
Opertochasma venustum Stephenson, 1952 † (type by original designation)
marine, brackish, fresh, terrestrial
fossil only
feminine
Stephenson, L. W. (1952). Larger invertebrate fossils of the Woodbine formation (Cenomanian) of Texas, with Decapod Crustaceans from the Woodbine formation of Texas by H. B. Stenzel. <em>United States Geological Survey Professional Paper.</em> 242: i–iv + 1–226, 3 loose leaves, 59 pl.
page(s): 139 [details] Available for editors
[request]
page(s): 139 [details] Available for editors
[request]
Fossil range Late Jurassic to Oligocene
Fossil range Late Jurassic to Oligocene [details]
MolluscaBase eds. (2025). MolluscaBase. Opertochasma Stephenson, 1952 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1480105 on 2025-09-11
Date
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original description
Stephenson, L. W. (1952). Larger invertebrate fossils of the Woodbine formation (Cenomanian) of Texas, with Decapod Crustaceans from the Woodbine formation of Texas by H. B. Stenzel. <em>United States Geological Survey Professional Paper.</em> 242: i–iv + 1–226, 3 loose leaves, 59 pl.
page(s): 139 [details] Available for editors [request]
basis of record Haga, T.; Kase, T. (2011). Opertochasma somaensis n. sp. (Bivalvia: Pholadidae) from the Upper Jurassic in Japan: a perspective on pholadoidean early evolution. <em>Journal of Paleontology.</em> 85(3): 478-488., available online at https://doi.org/10.1666/10-008.1 [details] Available for editors [request]
page(s): 139 [details] Available for editors
[request]basis of record Haga, T.; Kase, T. (2011). Opertochasma somaensis n. sp. (Bivalvia: Pholadidae) from the Upper Jurassic in Japan: a perspective on pholadoidean early evolution. <em>Journal of Paleontology.</em> 85(3): 478-488., available online at https://doi.org/10.1666/10-008.1 [details] Available for editors
[request]From editor or global species database
Fossil range Late Jurassic to Oligocene [details]
