1937  Trochilioceras Plummer & Scott: 181.
     1957  Eoasianites.- Treatise: L61.
     1962  Eoasianites.- Osnovy: 382.

Type species: Trochilioceras tenuosum Plummer & Scott,1937, p.183
[OD].

Eoasianites RUZHENTSEV, 1933, p.165 [*E. subhanieli, p.156; OD].
[= Prometalegoceras RUZHENTSEV, 1936, p.505, type Eoasianites
subhanieli RUZHENTSEV, 1933, p.166; OD (obj.); Trochilioceras
PLUMMER & SCOTT, 1937, p.181, type T. tenuosum, p.183; OD
(subj.); Pronoceras PLUMMER, 1950, pl.19, type Gastrioceras prone
MILLER & OWEN, p.415; M (nom. nud.)]. Conch form subdiscoidal,
evolute, with low height of aperture. Transverse striae usually
with orad salient. Umbilical tubercles confined to immature
stages; constrictions may be present. Ventral lobe with slightly
pouched prongs, median saddle exceeding two third of height of
entire ventral lobe. First lateral saddle subacute. More than ten
species. [Type species of Trochilioceras and Pronoceras are
regarded as congeneric with Eoasianites. For discussion see
RUZHENTSEV, 1950, p.129].