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Pararaphistoma schmidti
Taxonomy
Raphistoma schmidti was named by Koken (1889). Its type specimen is MB Ga 2538:1, a shell, and it is a 3D body fossil.
It was recombined as Pararaphistoma (Pararaphistoma) schmidti by Vostokova (1955) and Ebbestad et al. (2013); it was recombined as Pararaphistoma schmidti by Yochelson (1963), Wagner (1999) and Wagner (2023).
It was recombined as Pararaphistoma (Pararaphistoma) schmidti by Vostokova (1955) and Ebbestad et al. (2013); it was recombined as Pararaphistoma schmidti by Yochelson (1963), Wagner (1999) and Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Raphistoma schmidti Koken p. 319 figs. pl. 11 f. 8 |
| 1897 | Raphistoma schmidti Ulrich and Scofield p. 936 |
| 1955 | Pararaphistoma (Pararaphistoma) schmidti Vostokova pp. 83, 85 |
| 1963 | Pararaphistoma schmidti Yochelson pp. 185 - 186 figs. pl. 5 f. 1-2, 4-6, 12-13 |
| 1999 | Pararaphistoma schmidti Wagner |
| 2013 | Pararaphistoma (Pararaphistoma) schmidti Ebbestad et al. pp. 29 - 30 figs. 11I–P; 12A, H–J) |
| 2023 | Pararaphistoma schmidti Wagner p. 1026 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Pararaphistoma schmidti Koken 1889
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. O. R. Ebbestad et al. 2013 | Aspecies of Pararaphistoma Vostokova, 1955a with pronounced clockwise rotation of the aperture during ontogeny, and with early whorls tangential to or entirely depressed beneath the right ramp surface of the last whorl. Right ramp with thin spiral line near the periphery. |