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Igarkiellidae
Taxonomy
Igarkiellidae was named by Parkhaev (2002).
It was assigned to Scenelloidea by Bouchet et al. (2005); and to Helcionelloidea by Parkhaev (2002), Parkhaev and Demidenko (2010).
It was assigned to Scenelloidea by Bouchet et al. (2005); and to Helcionelloidea by Parkhaev (2002), Parkhaev and Demidenko (2010).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Igarkiellidae Parkhaev |
| 2005 | Igarkiellidae Bouchet et al. p. 241 |
| 2010 | Igarkiellidae Parkhaev and Demidenko p. 1043 |
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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.
Fm. †Igarkiellidae Parkhaev 2002
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Y. Parkhaev and Y. Demidenko 2010 | "Shell cap-shaped with mid-dorsal buttress." |