Taxon profile


Nuculoidea Gray, 1824

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Bivalvia - bivalves »  order Nuculida


Shell aragonitic, usually small, inequilateral; interior nacreous. Inflated, equivalve, rounded-trigonal, with truncate posterior end. Periostracum adherent, usually dark colored. Hinge plate strong, with series of V-shaped teeth separated by resilifer. Ligament internal, amphidetic. Dimyarian; pallial line weak; pallial sinus absent. Gills small, oblique to horizontal, with numerous filaments, posterior end free. Labial palps and palp probóscides large. Mypobranchial gland present. Intestine coiling on right side of stomach.
Source: Coan, E. et al., 2000. Bivalve Seashells of Western North America. Marine bivalve mollusks from Arctic Alaska to Baja California.
Author: Jan Delsing

Included taxa

Number of records: 3

family Nuculidae Gray, 1824
family Nuculitidae Bradshaw, 1999
family Praenuculidae McAlester, 1969

Links and literature

EN Australian Faunal Directory [d486c2f8-d909-45ce-b2a1-23c6bef36861]

ABRS (2009-2015): Australian Faunal Directory [], Australian Biological Resources Study, Canberra [as Nuculoidea J. Gray, 1824]
Data retrieved on: 22 July 2015
EN Carter J. et al (2011): A Synoptical Classification of the Bivalvia (Mollusca) [], Paleontological Contributions 4 [as Nuculoidea J. Gray, 1824]
Data retrieved on: 6 April 2014

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extinct taxon