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Apteodinium tamboviense
Apteodinium tomboviensis, Vozzhennikova, 1967
Now Pareodinia. Originally Apteodinium, subsequently Apteodinium?, thirdly (and now) Pareodinia. Stover and Evitt, 1978, considered this to be a provisionally accepted species of Apteodinium.
Holotype: Vozzhennikova, 1967, pl.41, fig.1; Lentin and Vozzhennikova, 1990, pl.14, fig.9; text-fig.49
Locus typicus: Tambovsk region, USSR
Stratum typicum: Barremian
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Original description: [Vozzhennikova, 1967, p. 61]: (Translation: Lentin and Vozzhennikova, 1990):
Description:
Theca pyriform, divided into two almost equal parts. Epitheca with a small, conical apical horn, which ends very bluntly. Hypotheca with a slightly convex antapex. Equatorial girdle annulate, indistinct. There are traces of a longitudinal furrow extending from the equatorial girdle to the antapex. Theca surface finely granular.
Now Pareodinia. Originally Apteodinium, subsequently Apteodinium?, thirdly (and now) Pareodinia. Stover and Evitt, 1978, considered this to be a provisionally accepted species of Apteodinium.
Holotype: Vozzhennikova, 1967, pl.41, fig.1; Lentin and Vozzhennikova, 1990, pl.14, fig.9; text-fig.49
Locus typicus: Tambovsk region, USSR
Stratum typicum: Barremian
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Original description: [Vozzhennikova, 1967, p. 61]: (Translation: Lentin and Vozzhennikova, 1990):
Description:
Theca pyriform, divided into two almost equal parts. Epitheca with a small, conical apical horn, which ends very bluntly. Hypotheca with a slightly convex antapex. Equatorial girdle annulate, indistinct. There are traces of a longitudinal furrow extending from the equatorial girdle to the antapex. Theca surface finely granular.