Diagnosis
provided by World Register of Marine Species
Monophoraster with an alate test yielding a test width to length ratio of approximately 1.4:1, and with the paired interambulacra barely continuous with their corresponding basicoronal, in some cases with only one of the two post-basicoronals in contact with the basicoronal.
Mooi, R., Martínez, S.A., Del Río, C.J. (2016). A new South American Miocene species of 'one-holed' sand dollar (Echinoidea: Clypeasteroida: Monophorasteridae). Zootaxa. 4173(1): 45-54.
- license
- cc-by-4.0
- copyright
- WoRMS Editorial Board
Stratigraphy
provided by World Register of Marine Species
Chenque Formation
Mooi, R., Martínez, S.A., Del Río, C.J. (2016). A new South American Miocene species of 'one-holed' sand dollar (Echinoidea: Clypeasteroida: Monophorasteridae). Zootaxa. 4173(1): 45-54.
- license
- cc-by-4.0
- copyright
- WoRMS Editorial Board