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Polygnathus ilmenensis
Taxonomy
Polygnathus ilmenensis was named by Zhuravlev (2003).
Sister species lacking formal opinion data
P. aequalis, P. ancyrognathoideus, P. angustidiscus, P. ansatus, P. aspelundi, P. beckmanni, P. bischoffi, P. brevicarina, P. brevis, P. bryanti, P. bultyncki, P. cracens, P. cristatus, P. duolingshanensis, P. eiflius, P. ensensis, P. eoglaber, P. experplexus, P. glaber, P. hemiansatus, P. inornatus, P. inortata, P. inversus, P. kluepfeli, P. klugi, P. laticostatus, P. latifossatus, P. limitaris, P. linguiformis, P. micrificus, P. obliquicostatus, P. ovatinodosus, P. paradecorosus, P. partitus, P. patulus, P. perbonus, P. perplexus, P. platyobliquemarginatus, P. procerus, P. pura, P. quadratus, P. rarus, P. rhenanus, P. robusticostatus, P. rugosa, P. sagittaria, P. semicostatus, P. serotinus, P. strongi, P. symmetricus, P. tenellus, P. timorensis, P. trigonicus, P. zinaidae
Synonyms
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Synonymy list
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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.
†Polygnathus ilmenensis Zhuravlev 2003
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Invalid names: Polygnathus drucei Zhuravlev 1999 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Aberhan 1992, Carroll 1988 | |||||
Age range: Middle Frasnian or 379.00000 to 375.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Frasnian | Russian Federation | Polygnathus drucei (46141) |