Synonyms and other taxonomic changes
First described in 1850 by Étienne Mulsant
Explanation of Names
Author: Mulsant, 1850
(Θαλασσα) is Greek for "Sea". Mulsant said it was a "nom mythologique" ("mythological name"), so he must have been referring to the sea goddess Thalassa
5 species, with 1 in North America
All species are metallic blue or green, some with orange or yellow spots.
Southwestern U.S. to South America.
Species des coléoptères trimères sécuripalpes, p.511
Mulsant's original description of the genus (in French)