This genus is known in the fossil record from the
Cretaceous period to the
Quaternary period (age range: from 99.7 to 0.126 million years ago.). Fossil shells within this genus have been found all over the world.[2]
Finlay, H. J.; Marwick, J. (1937). The Wangaloan and associated molluscan faunas of Kaitangata-Green Island subdivision. New Zealand Geological Survey Palæontological Bulletin. 15, 1–140, 18 pls.
Beu A.G. (2008) Recent deep-water Cassidae of the world. A revision of Galeodea, Oocorys, Sconsia, Echinophoria and related taxa, with new genera and species (Mollusca, Gastropoda). In Héros V., Cowie R.H. & Bouchet P. (eds), Tropical Deep-Sea Benthos 25. Mémoires du Muséum National d'Histoire Naturelle 196: 269-387
This genus is known in the fossil record from the
Cretaceous period to the
Quaternary period (age range: from 99.7 to 0.126 million years ago.). Fossil shells within this genus have been found all over the world.[2]
Finlay, H. J.; Marwick, J. (1937). The Wangaloan and associated molluscan faunas of Kaitangata-Green Island subdivision. New Zealand Geological Survey Palæontological Bulletin. 15, 1–140, 18 pls.
Beu A.G. (2008) Recent deep-water Cassidae of the world. A revision of Galeodea, Oocorys, Sconsia, Echinophoria and related taxa, with new genera and species (Mollusca, Gastropoda). In Héros V., Cowie R.H. & Bouchet P. (eds), Tropical Deep-Sea Benthos 25. Mémoires du Muséum National d'Histoire Naturelle 196: 269-387