†Paraduplophyllum (Vacoea) tubaeformis 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 Paraduplophyllum (Vacoea) according to J. Fedorowski 1987
Sister taxa: Paraduplophyllum (Vacoea) amplexoides, Paraduplophyllum (Vacoea) nealranchense, Paraduplophyllum (Vacoea) vermiculare
Type specimen: USNM 197202. 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