Placatenella, Mooi & Martínez & Del Río & Ramos, 2018

Mooi, Rich, Martínez, Sergio A., Del Río, Claudia J. & Ramos, Maria Inês Feijó, 2018, Late Oligocene - Miocene non-lunulate sand dollars of South America: Revision of abertellid taxa and descriptions of two new families, two new genera, and a new species, Zootaxa 4369 (3), pp. 301-326 : 306

publication ID	https://doi.org/ 10.11646/zootaxa.4369.3.1
publication LSID	lsid:zoobank.org:pub:97CAA2FC-F3CC-407B-8768-2BB9DE037C86
DOI	https://doi.org/10.5281/zenodo.5961787
persistent identifier	https://treatment.plazi.org/id/0392BB4B-FFB7-F543-7D92-FBECFD08FAAF
treatment provided by	Plazi
scientific name	Placatenella
status	gen. nov.

Treatment

Genus Placatenella n. gen.

Diagnosis. As for the family, but with interambulacrum 5 continuous, basicoronal 5 contiguous with both postbasicoronals; postbasicoronals in interambulacrum 5 greatly elongated and arrow-shaped, at least three times the length of more distal oral postbasicoronals in the same interambulacrum; periproct marginal inside posterior notch.

Type species. Abertella complanata Brito, 1981 .