Buxtoniini Muir-Wood and Cooper, 1960

Carniti, Alessandro P., Porta, Giovanna Della, Banks, Vanessa J., Stephenson, Michael H. & Angiolini, Lucia, 2022, Brachiopod fauna from uppermost Visean (Mississippian) mud mounds in Derbyshire, UK, Acta Palaeontologica Polonica 67 (4), pp. 865-915 : 891-892

Tribe Buxtoniini Muir-Wood and Cooper, 1960 Genus Buxtonia Thomas, 1914

Type species: Productus scabriculus Sowerby, 1814 , from the upper Visean of Derbyshire, England .

Remarks.— Buxtonia differs from the allied genus Marginicinctus Sutton, 1938 , in being larger, in generally having a more convex ventral valve and in lacking a reflexed flange developed at the anterior margin; from the genus Setigerites Girty, 1939 , in having a coarser radial ornamentation; from Kochiproductus Dunbar, 1955 , in being smaller, in lacking a large anterolateral flange, in having larger spines and more regular rugation; moreover, Kochiproductus lacks an antron at the posterior end of the median septum.