New ecphoras (Gastropoda: Thaididae: Ecphorinae) from the Calvert Formation of Maryland (Langhian Miocene)
Article
1992
The Nautilus
106
68--71
BioStor
English
Melbourne, Fla., etc American Malacologists, inc., etc
BioStor: https://biostor.org/reference/101320 DOI: https://doi.org/10.5962/bhl.part.9715