Panopea bitruncata
Temporal range:
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Adapedonta
Superfamily: Hiatelloidea
Family: Hiatellidae
Genus: Panopea
Species:
P. bitruncata
Binomial name
Panopea bitruncata
(Conrad, 1872)
Synonyms
  • Glycimeris bitruncata Conrad, 1872
  • Panopaea americana W. Stimpson, 1860

Panopea bitruncata is a species of marine bivalve commonly known as the Atlantic geoduck or Atlantic geoduck clam. These clams like their more famous Pacific relative P. generosa have an enlarged siphon that can extend to great lengths or contract to just barely poke out of the shell.[1] They are generally smaller in comparison to the Pacific species though still constitute a sizable mollusc as they cannot fully retract their siphon.[2]

This species is not very common, and is quite poorly documented which makes study of this species quite a challenge. They are thought to be edible, however, due to their rarity it is best to leave them in the ocean.[1] They vast majority of evidence for this species consists only of shells, few live specimens have ever been found.[3]

Range

This species is known to range along the Atlantic Coast as far north as Chesapeake Bay and around the Florida Peninsula into the Northern Gulf of Mexico.[3] The species is so poorly documented that it is unknown how far south along the Gulf Coast it ranges, though unconfirmed sightings from the Northern Yucatán Peninsula have been reported.[4]

Ecology

The clams live in muddy soil and sometimes sand, usually buried deep down with only the tip of the siphon poking out from the substrate. They feed on microscopic organisms suspended in the water column, and water pumped through their siphons is filtered to strain out the organic matter.[4]

References

  1. 1 2 "Panopea bitruncata (Atlantic Geoduck)". iNaturalist. Retrieved 2022-12-28.
  2. ↑ "WoRMS - World Register of Marine Species - Panopea bitruncata (Conrad, 1872)". www.marinespecies.org. Retrieved 2022-12-30.
  3. 1 2 "Panopea bitruncata (Conrad, 1872)". www.gbif.org. Retrieved 2022-12-30.
  4. 1 2 "Panopea bitruncata, Atlantic geoduck". www.sealifebase.ca. Retrieved 2022-12-30.
  • Turgeon, D. D., W. G. Lyons, P. Mikkelsen, G. Rosenberg, and F. Moretzsohn. 2009. Bivalvia (Mollusca) of the Gulf of Mexico, Pp. 711–744 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, Colleg
  • Huber, M. (2010). Compendium of bivalves. A full-color guide to 3,300 of the world's marine bivalves. A status on Bivalvia after 250 years of research. Hackenheim: ConchBooks. 901 pp., 1 CD-ROM
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