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MIDDLE TRIASSIC SPIRIFEROID MENTZELIIDS (BRACHIOPODA) FROM ALPINE AND MEDITERRANEAN AREAS

MAURIZIO GAETANI, NADIA MANTOVANI

Abstract


Ten species of mentzelioid spiriferids from several Middle Triassic localities of Alpine and Mediterranean areas are analysed both for external and internal characters. The genera Mentzelia, Paramentzelia, Koeveskallina, and the new genus Dagyssia are referred to the subfamily Mentzeliinae, whilst Tethyspira and the new genus Ptychomentzelia are referred to the subfamily Tethyspirinae. In addition, a new species (Ptychomentzelia ritensis) is described. The superfamily Mentzelioidea Dagys, 1974 is retained as a viable container of the whole group here discussed, previously split in the second edition of the Treatise in two different superfamilies.


Keywords

Brachiopods; mentzeliids; taxonomy; Middle Triassic; internal characters

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DOI: https://doi.org/10.13130/2039-4942/6512

NBN: http://nbn.depositolegale.it/urn%3Anbn%3Ait%3Aunimi-15261

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