Axinodon Verrill & Bush, 1898

Oliver, P. Graham, 2012, Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill & Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov., European Journal of Taxonomy 12, pp. 1-24 : 5

publication ID	https://doi.org/ 10.5852/ejt.2012.12
publication LSID	lsid:zoobank.org:pub:098E15C8-27DB-46C7-8A15-6394EE854B64
DOI	https://doi.org/10.5281/zenodo.3858688
persistent identifier	https://treatment.plazi.org/id/546087F4-7C5C-FFE4-8702-25FCFDC8FC09
treatment provided by	Carolina
scientific name	Axinodon Verrill & Bush, 1898
status

Treatment

Genus Axinodon Verrill & Bush, 1898

Type species

Axinodon ellipticus Verrill & Bush, 1898 .

Diagnosis (based on shell characters alone)

Shell small, thin. Equivalve. Inequilateral, beaks behind the midline. Umbos prominent, beaks prosogyrate. Outline obliquely subcircular, distinctly expanded anteriorly. Sculpture of commarginal ridges. Hinge plate narrow, ligament deeply sunken on a groove running from under the beaks posteriorly. Right valve lacking any projecting teeth; left valve with a short, weak. marginal flange beneath the lunule. Isomyarian. Pallial line entire.