Alocorthis, Paterson & Brock, 2003

Paterson, John R. & Brock, Glenn A., 2003, Early Ordovician Orthide Brachiopods from Mount Arrowsmith, Northwestern New South Wales, Australia, Records of the Australian Museum 55 (2), pp. 221-230 : 227

Alocorthis n.gen.

Type species. Alocorthis psygmatelos n.gen. and n.sp.

Etymology. Greek, f., alokos, meaning furrow; referring to the furrows extending along the dorsal surfaces of the brachiophores.

Diagnosis. Shell transverse, weakly ventribiconvex. Ventral muscle field subtriangular, raised above valve floor and restricted to delthyrial cavity, bounded by short receding dental plates. Notothyrial platform short and very wide, anteriorly elevated above valve floor, supported by broad median ridge. Cardinal process absent. Brachiophores short, widely divergent (100–110°), with furrows extending along dorsal surfaces and with fan-like terminations. Dental sockets simple, subcircular. Fulcral plates absent.