Amphithyris Thomson, 1918

Nauendorf, Alice, Wörheide, Gert & Lüter, Carsten, 2014, Revision of the brachiopod genus Amphithyris (Rhynchonelliformea: Platidiidae) with descriptions of two new species, Zootaxa 3847 (2), pp. 221-240 : 224

publication ID	https://doi.org/ 10.11646/zootaxa.3847.2.3
publication LSID	lsid:zoobank.org:pub:7033A129-B1AA-4B6D-94F4-89D30374AAC7
DOI	https://doi.org/10.5281/zenodo.6133047
persistent identifier	https://treatment.plazi.org/id/2504DD2A-4978-FFAC-FF3D-FB0EBC21FA10
treatment provided by	Plazi
scientific name	Amphithyris Thomson, 1918
status

Treatment

Genus Amphithyris Thomson, 1918 View in CoL

Type species. Amphithyris buckmani Thomson, 1918 : p. 22, pl. 15, fig. 29, pl. 16, fig. 35 (by original designation)

Diagnosis. Small shell (up to 5mm), planoconvex to biconvex, punctate, round to oval; shell outline variable depending on substrate of attachment. Ventral valve convex; dorsal valve slightly convex to almost flat; short pedicle; beak apicate; foramen amphithyrid; schizolophous lophophore. Hinge line nearly straight; triangular delthyrium; dental plates absent.