Aptychotrema massoniae explained
Aptychotrema massoniae is an extinct species of guitarfish, belonging to the family Rhinobatidae. Its only known fossil remains belong to the of Cenomanian age.[1]
Notes and References
- Bernárdez, E. (2002). Los dientes de seláceos del Cretácico de la depresión central asturiana. Univ. d'Oviedo: 1–476.