Anthozoa - Scleractinia - Caryophylliidae
Full reference: J. O. Nomland. 1916. Corals from the Cretaceous and Tertiary of California and Oregon. Bulletin of the Department of Geology, University of California Publications 9(5):59-76
Belongs to Trochocyathus according to Nomland 1916
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 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 sellardsi, 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 UC 1817 Salt Creek, which is in a Bartonian marine horizon in California
Ecology: stationary low-level epifaunal microcarnivore