ammonites
Assimulia (Assimulia) flexibilis Fedorowski 1987 (horn coral)

Anthozoa - Stauriida - Lophotichiidae

Full reference: J. Fedorowski. 1987. Upper Paleozoic rugose corals from southwestern Texas and adjacent areas: Gaptank Formation and Wolfcampian corals. Palaeontologia Polonica 48:3-271

Belongs to Assimulia (Assimulia) according to J. Fedorowski 1987

Sister taxa: Assimulia (Assimulia) abscessa, Assimulia (Assimulia) arta, Assimulia (Assimulia) compacta, Assimulia (Assimulia) frequentis, Assimulia (Assimulia) tergida, Assimulia (Assimulia) uddenitense

Type specimen: USNM 197083. Its type locality is USNM728f, Victorio Canyon, Sierra Diablo, which is in a Kungurian shallow subtidal limestone in the Bone Spring Formation of Texas.

Ecology: stationary epifaunal suspension feeder