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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Polygnathus aspelundi
Taxonomy
No taxonomic data are available
Sister species
P. acrinodosus, P. amphora, P. angusticostatus, P. angustipennatus, P. costatus, P. damelei, P. decorosa, P. denisbriceae, P. dubia, P. efimovae, P. hemipennatus, P. holynensis, P. housei, P. ilmenensis (syn. P. drucei), P. linguiformis, P. normalis, P. parawebbi, P. pollocki, P. pseudoeiflius, P. pseudofoliatus, P. robertensis, P. rossicus, P. salixensis, P. varcus, P. wapanuckensis, P. webbi, P. xylus
Sister species lacking formal opinion data
P. aequalis, P. ancyrognathoideus, P. angustidiscus, P. ansatus, 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
Synonymy list
No taxonomic opinions are available
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Middle Frasnian to the top of the Early/Lower Famennian or 379.00000 to 368.50000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Frasnian | Canada (Ontario) | Polygnathus aspelundi (40053 40055) | |
| Middle Frasnian | China (Guangxi) | Polygnathus aspelundi (13011 13018 13019) | |
| Late/Upper Frasnian | China (Guangxi) | Polygnathus aspelundi (12953) | |
| Late/Upper Frasnian | USA (Alaska) | Polygnathus aspelundi (3102) | |
| Early/Lower Famennian | China (Guangxi) | Polygnathus aspelundi (12952) |