Gatunek typowy

Opis

Skenidium fallax Gürich, 1896: Sierżawskie Doły between Świętomarz and Sierżawy, northern region of the Holy Cross Mts., Poland;  Givetian, Middle Devonian
Shell transversely semioval, coarsely costellate valves with narrowly divergent delthyrium variably open or closed by apical plate; ventral interarea subpyramidal, apsacline to catacline; ventral interior with recessive dental plates; dorsal interior with ridgelike cardinal process and long rodlike brachiophores; cruralium long, narrowing anteriorly; fulcral plates absent.

Synonimy

Zasięg czasowy

Early Devonian (Pragian) to Late Devonian (Frasnian); Europe, Africa (Morocco), Asia (Myanmar), Western Australia.

Literatura