PerezHuerta, A; Sour Tovar, Francisco; Quiroz Barroso, Sara Alicia; Centeno García, E
(2005)
The brachiopods Krotovia sp., Dasvsaria sp., Derbyoides cf D. dunbari. Neospirifer cf N. amphigyus, Neospirifer sp., Spiriferellina tricosa and ?Holosia sp.. and the trilobite Anisopyge whitei are described freom Lower ...