brachiopods from the southern Brazilian Shelf: paleontological and biogeographic implications.
The strata are abundantly fossiliferous, many horizons possessing diverse assemblages of scleractinian corals, isocrinids, terebratulid
brachiopods, and, particularly, molluscs.
The prominent bed between 67-68 m yields abundant bivalves (Pterotrigonia sp., Neithea sp., Icanotiapennula), irregular echinoids (Toxaster sp.), terebratulid
brachiopods (Sellithyris sp.), orbitolinids, and wood fragments.
After the opportunistic strategy conducted by Soaresirhynchia bouchardi the distribution of the post-ETMEE brachiopod assemblages is markedly influenced by the depositional sequences, entailing premature turnovers and involving the earlier record of homeomorphic morphotypes of younger terebratulides and rhynchonellides.
This assemblage is only represented in this sector by the occurrence of scarce and very fragmentory specimens of Rhynchonelloidea goyi Garcia Joral, 1983, and large-sized unspecified terebratulids. It is recorded in the Casinos Fm., occurring in the Pseudoradiosa-Aalensis chronozones.
and axiniform zeillerids are scarce (Fig.