ammonites
Paratrochocyathus crassus Alloiteau 1958 (stony coral)

Anthozoa - Scleractinia - Caryophylliidae

Full reference: J. Alloiteau. 1958. Monographie des madreporaires fossiles de Madagascar [Monograph of fossil corals from Madagascar]. Annales Geologiques de Madagascar 25:1-218

Belongs to Paratrochocyathus according to J. Alloiteau 1958

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 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 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 Ambarimaninga, which is in an Albian offshore marl in Madagascar

Ecology: stationary low-level epifaunal microcarnivore