Circus dossenus Olson and James, 1991 (harrier hawk) "Latin, dossenus, a clown or jester, without which one cannot have a circus." [Descr. of 32 n. spp. of birds from the Hawaiian Islands: I. Non-Passeriformes (Ornith. Monographs 45): 65]

Electrona (lanternfish)

Meteoria (deep-sea fish)

Ostentator Jaennicke, 1867 (bombyliid fly, synonym)

Pantydraco (prosauropod dinosaur) from Pant-y-ffynnon Quarry in Wales.

Problema (skipper)

Tyrannasorus rex Ratcliffe and Ocampo, 2001 (Miocene hybosorid scarab from Dominican amber) The dinosaur is spelled Tyrannosaurus. [Coleop. Bull. 55:351]

Tyrannoberingius rex Maricovich, 1981 (Miocene snail) It is several times larger than living Beringius species. [J Paleontol 55(1): 176]

Tyrannomyrmex rex Fernández, 2003 (Malaysian ant) [Zootaxa 341:1]