François-Louis Nompar de Caumont Laporte, comte de Castelnau was a French naturalist, also known as François Laporte or Francis de Castelnau. The standard author abbreviation Castelnau is used to indi
Francis de Laporte de Castelnau
The drawing of the hoax "fish" Ompax spatuloides by Karl Theodor Staiger, sent to Castelnau in 1879, who went on to give the "species" a scientific description
Oxysternon festivum
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Oxysternon festivum is a species of dung beetle of the scarab beetle family. It is a common, diurnal species from northeastern South America and Trinidad where it mostly inhabits forest.
Female Oxysternon festivum