ammonites
Triassonurus doliiformis Sinitshenkova and Marchal-Papier 2005 (mayfly)

Insecta - Ephemerida - Siphlonuridae

Full reference: N. D. Sinitshenkova and F. Marchal-Papier. 2005. Systematic Paleontology, in The Ephemeridea (Insecta) from the Gres a Voltzia (early Middle Triassic) of the Vosges (NE France). Palaeontologische Zeitschrift 79(3):378-397

Belongs to Triassonurus according to N. D. Sinitshenkova and F. Marchal-Papier 2005

Sister taxa: none

Type specimen: 9304, a nymph. Its type locality is Arzviller, which is in an Aegean delta plain claystone/siltstone in the Gres a Voltzia Formation of France.

Ecology: