ammonites
Trochocyathus sellardsi Wells 1933 (stony coral)

Anthozoa - Scleractinia - Caryophylliidae

Full reference: J. W. Wells. 1933. Corals of the Cretaceous of the Atlantic and Gulf Coastal Plains and Western Interior of the United States. Bulletins of American Paleontology 18(67):85-288

Belongs to Trochocyathus according to J. W. Wells 1933

Sister taxa: Trochocyathus (Aplocyathus), Trochocyathus (Platycyathus), Trochocyathus adelaidensis, Trochocyathus balanophylloides, Trochocyathus cingulatus, Trochocyathus coloradoensis, Trochocyathus crooki, Trochocyathus depressus, Trochocyathus egerius, Trochocyathus gardnerae, Trochocyathus hanzawai, Trochocyathus harveyanus, Trochocyathus hemisphaericus, Trochocyathus imparipartitus, Trochocyathus imperialis, Trochocyathus infracompressus, Trochocyathus lakii, Trochocyathus laminus, Trochocyathus maplestonei, Trochocyathus mediterraneus, Trochocyathus mexicanum, Trochocyathus microphyes, Trochocyathus microphyllus, Trochocyathus mitratus, Trochocyathus nomlandi, Trochocyathus oregonensis, Trochocyathus paliscus, Trochocyathus perarmatus, Trochocyathus pergranulatus, Trochocyathus persicus, Trochocyathus planicostatus, Trochocyathus plicatus, Trochocyathus pyrenaicus, Trochocyathus revolutus, Trochocyathus sachalinensis, Trochocyathus schmidti, Trochocyathus sismondae, Trochocyathus speciosus, Trochocyathus stantoni, Trochocyathus sublaevis, Trochocyathus taylorensis, Trochocyathus thorenti, Trochocyathus townsendensis, Trochocyathus uber, Trochocyathus wilkinsoni, Trochocyathus wiltshirei, Trochocyathus wintoni, Trochocyathus woolmani, Paratrochocyathus conulus, Paratrochocyathus collignoni, Paratrochocyathus crassus, Paratrochocyathus cupuliformis, Paratrochocyathus androiavensis, Paratrochocyathus jasmundi, Trochocyathus (Paratrochocyathus) acutus, Trochocyathus (Paratrochocyathus) valceppiensis, Trochocyathus (Paratrochocyathus) michelottii, Trochocyathus (Paratrochocyathus) chevalieri, Trochocyathus (Paratrochocyathus) duncani, Tethocyathus prahli

Type specimen: Its type locality is Sycamore Creek, Forth Worth, which is in an Albian coastal siliciclastic in the Pawpaw Formation of Texas

Ecology: stationary low-level epifaunal microcarnivore