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iNat·117624GenusMollusca3,837 field observations
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Gaper Clams
Plate 1 of 2. (c) Cole Gaerber, some rights reserved (CC BY-NC), uploaded by Cole Gaerber · via iNaturalist

Gaper Clams

Tresus

Tresus is a genus of saltwater clams, marine bivalve mollusks in the family Mactridae. Many of them are known under the common name the horse clam or as species of gaper clam. They are similar to geoducks.

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4 branches of this genus, most-observed first

Pacific Gaper

speciesTresus nuttallii

Fat Gaper

speciesTresus capax

Strange Gaper

speciesTresus allomyax

Tresus keenae

speciesTresus keenae

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Tresus in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 117624.