Pitar uvasana Conrad 1855 (venus clam)

Bivalvia - Cardiida - Veneridae

Alternative combinations: Meretrix uvasana, Pitar (Calpitaria) uvasana, Pitar (Calpitaria) uvasanus

Synonyms: Meretrix tejonensis Dickerson 1915 [objective synonym], Pitar tejonensis Dickerson 1915 [objective synonym]

Full reference: T. A. Conrad. 1855. Report Of Mr. T. A. Conrad On The Fossil Shells Collected In California By Wm. P. Blake, Geologist Of The Expedition Under The Command Of Lieutenant R. S. Williamson, United States Topographical Engineers. Description of the fossils and shells collected in California by William P. Blake, Geologist of the United States Pacific Railroad Survey in California. under the command of Lieut. R. S. Williamson, In 1853-54. Article 1 of Appendix to the Preliminary Geological Report of WIlliam P. Blake, Geologist of the Survey in California Under the Command of Lieut. R. S. Williamson. Palæontology 5-21

Belongs to Pitar according to A. J. W. Hendy 2020

See also Conrad 1855, Dickerson 1915, Gabb 1864, Nilsen 1987, Squires 1984, Squires 1999 and Stewart 1930

Sister taxa: Meretrix (Pitar) dalikiensis, Meretrix (Pitar) elliptica, Pitar (Calpitaria), Pitar (Chionella), Pitar (Cordiopsis), Pitar (Costellipitar), Pitar (Hyphantosoma), Pitar (Lamelliconcha), Pitar (Meisenia), Pitar (Nanopitar), Pitar (Omnivenus), Pitar (Paradione), Pitar (Pitar), Pitar (Pitar) nuttali, Pitar (Pitarenus), Pitar (Pitarina), Pitar addicotti, Pitar albidus, Pitar barbarensis, Pitar baylii, Pitar cedroensis, Pitar colchaguana, Pitar cordatus, Pitar diabloensis, Pitar hataii, Pitar kotoi, Pitar mancorensis, Pitar morrhuanus, Pitar murphyi, Pitar ozakii, Pitar palmeri, Pitar parisiensis, Pitar petropolitanus, Pitar porrecta, Pitar quadratus, Pitar rostratus, Pitar salanga, Pitar sciaena, Pitar securiformis, Pitar simpsoni, Pitar sorachiensis, Pitar stocki, Pitar subarestus, Pitar transversus, Pitar vancouverensis, Pitar vulnerata, Cytherea (Caryatis) pratti

Subtaxa: Pitar uvasana coquillensis

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Type specimens:

  • Pitar uvasana: ANSP 4457 (neotype). Its type locality is UCMP 3162, upper Deer Valley, which is in a Ypresian coastal sandstone in the Meganos Formation of California.
  • Meretrix tejonensis: Its type locality is CAS loc. 244, Live Oak Canyon, which is in an Eocene marginal marine sandstone/shale in the Tejon Formation of California.

Ecology: facultatively mobile infaunal suspension feeder

Distribution:

• Eocene of United States (38: California, Oregon collections)

• Paleocene of United States (2: California)

Total: 40 collections including 43 occurrences

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Specimen images are retrieved through the ePANDDA API.


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