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Steinmanellinae
Taxonomy
Steinmanellinae was named by Cooper (1991).
It was assigned to Myophorellidae by Bouchet et al. (2010), Luci et al. (2013); and to Steinmanellidae by Cooper and Leanza (2017).
It was assigned to Myophorellidae by Bouchet et al. (2010), Luci et al. (2013); and to Steinmanellidae by Cooper and Leanza (2017).
Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Steinmanellinae Cooper |
| 2010 | Steinmanellinae Bouchet et al. |
| 2013 | Steinmanellinae Luci et al. |
| 2017 | Steinmanellinae Cooper and Leanza p. 318 |
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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.
Subfm. †Steinmanellinae Cooper 1991
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G. †Garatella Cooper and Leanza 2017
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†Garatella neuquensis Burckhardt 1903
†Garatella quintucoensis Weaver 1931
†Garatella raimondii Lissón 1930
†Garatella subquadrata Luci and Lazo 2012
G. †Steinmanella Crickmay 1930
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Subg. †Steinmanella (Macrotrigonia) Camacho and Olivero 1985
Subg. †Steinmanella (Setotrigonia)
Subg. †Steinmanella (Splenditrigonia) Leanza 1993
Subg. †Steinmanella (Steinmanella) Crickmay 1930
†Steinmanella holubi Kitchin 1908
†Steinmanella pehuenmapuensis Leanza 1998
†Steinmanella transitoria Steinmann 1881
†Steinmanella vacaensis Weawer 1931
G. †Transitrigonia Dietrich 1933
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†Steinmanella (Transitrigonia) quintucoensis Weaver 1931
†Transitrigonia transitoria Steinmann 1881
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. R. Cooper and H. A. Leanza 2017 | Moderately large to very large; escutcheon no-date, either in transverse (primitive) or commarginal (derived) rows; area primitively nodate or not, later with coarse,irregular, commarginal rugae in middle to later growth, commonly extending onto posterodorsal flank with obsolescenceof marginal carina. |