ammonites
Placocyathus maoensis Vaughan and Hoffmeister 1925

Anthozoa - Scleractinia - Meandrinidae

Alternative combination: Antillocyathus maoensis

Full reference: T. W. Vaughan and J. E. Hoffmeister. 1925. New species of fossil corals from the Dominican Republic. Bulletin of the Museum of Comparative Zoology 67(8):315-326

Belongs to Placocyathus according to Vaughan 1925

Sister taxa: Meandrina (Placocyathus) alveolus, Meandrina (Placocyathus) barretti, Meandrina (Placocyathus) costatus, Meandrina (Placocyathus) variabilis

Type specimen: Its type locality is USGS 7785 Rio Mao, which is in a Miocene coastal siliciclastic in the Cercado Formation of the Dominican Republic