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Pontiadinium inequicornutum
Pontadinium inequicornutum Baltes, 1971 ex Stover and Evitt, 1978
Now Komewuia. Originally Diconodinium (name not validly published), subsequently Pontiadinium, thirdly (and now) Komewuia. Baltes, 1971, included this species in the genus Diconodinium but failed to designate a holotype; therefore, according to I.C.B.N. Article 37, the name was not validly published. Stover and Evitt, 1978 designated as lectotype the specimen illustrated in Baltes, 1971. Since this taxon was validated by Stover and Evitt, 1978, Lentin and Williams, 1989 accepted the specimen illustrated in Baltes, 1971 as the holotype.
Holotype: Baltes, 1971, pl.2, fig.2 designated by Stover and Evitt, 1978, p.180 as Lectotype
Locus typicus: Romania
Stratum typicum: Early Pliocene
Original description: Baltes 1971, p. 5: Diconodinium inequicornutum
Test fusiform with straight or slightly concave edges, without tabulation. Epitract, larger than hypotract, is terminated by a single, cone-shaped, prominent horn, 10 to 15 µm long. Antapical part is likewise provided with a horn which is, however, shorter, cylindrical, with a rounded tip. Median part of the test, in the cingulum zone, shows a circular thickening of the outer membrane. In the epitract, having a precingular position, an archeopyle-like opening is visible. External membrane is smooth or finely stippled, and shows some longitudinal thickenings.
Now Komewuia. Originally Diconodinium (name not validly published), subsequently Pontiadinium, thirdly (and now) Komewuia. Baltes, 1971, included this species in the genus Diconodinium but failed to designate a holotype; therefore, according to I.C.B.N. Article 37, the name was not validly published. Stover and Evitt, 1978 designated as lectotype the specimen illustrated in Baltes, 1971. Since this taxon was validated by Stover and Evitt, 1978, Lentin and Williams, 1989 accepted the specimen illustrated in Baltes, 1971 as the holotype.
Holotype: Baltes, 1971, pl.2, fig.2 designated by Stover and Evitt, 1978, p.180 as Lectotype
Locus typicus: Romania
Stratum typicum: Early Pliocene
Original description: Baltes 1971, p. 5: Diconodinium inequicornutum
Test fusiform with straight or slightly concave edges, without tabulation. Epitract, larger than hypotract, is terminated by a single, cone-shaped, prominent horn, 10 to 15 µm long. Antapical part is likewise provided with a horn which is, however, shorter, cylindrical, with a rounded tip. Median part of the test, in the cingulum zone, shows a circular thickening of the outer membrane. In the epitract, having a precingular position, an archeopyle-like opening is visible. External membrane is smooth or finely stippled, and shows some longitudinal thickenings.