Soule, Soule & Chaney 1991. Some little known genera of Thalamoporellidae: Thairopora, Diploporella, and new genera Marsupioporella and Thalamotreptos. Bulletin de la Societe des Sciences Naturelles de l'Ouest de la France Memoire Hors de Serie, No. 1 1991: 447-464