Crassispira tyloessa is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae which comprises the turrids and allies.Fossilworks: Crassispira tyloessa
Description
The length of the shell attains 13.4 mm, its diameter 5.8 mm. Distribution Fossils have been found in Gatun formation Miocene strata in Panama; age range: 11.608 to 7.246 Ma.
References
W. P. Woodring. 1970. Geology and paleontology of canal zone and adjoining parts of Panama: Description of Tertiary mollusks (gastropods: Eulimidae, Marginellidae to Helminthoglyptidae). United States Geological Survey Professional Paper 306(D):299–452