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Adrana dalliana Olsson 1922 (pointed nut clam)

Bivalvia - Nuculanida - Nuculanidae

PaleoDB taxon number: 248814

Alternative combination: Leda (Adrana) dalliana

Full reference: A. A. Olsson. 1922. The Miocene of Northern Costa Rica. Bulletins of American Paleontology 9(39):1-309

Belongs to Adrana according to A. J. W. Hendy et al. 2008

Sister taxa: Adrana aegra, Adrana agronomica, Adrana aldrichiana, Adrana electa, Adrana ensinoides, Adrana exoptata, Adrana lanceolata, Adrana newcombi, Adrana quitanensis, Adrana sowerbyana, Adrana stena

Type specimen: Its type locality is Port Limon, which is in a Pliocene marine siliciclastic in Costa Rica

Ecology: facultatively mobile infaunal deposit feeder

Average measurements (in mm): shell 10.5 x 3.5