| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Arthrotrypa
Taxonomy
Arthrotrypa was named by Lobdell (1992) [Sepkoski's age data: O Ashg-m Sepkoski's reference number: 1000]. It is not extant.
It was assigned to Arthrostylidae by Lobdell (1992); and to Cryptostomata by Sepkoski (2002).
It was assigned to Arthrostylidae by Lobdell (1992); and to Cryptostomata by Sepkoski (2002).
Species
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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
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Smith et al. 2006, Nesnidal et al. 2013, Kiessling 2004 | |||||
Age range: Richmondian or 449.60000 to 445.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Richmondian | USA (North Dakota) | A. ovata (64599 64600) | |
| Richmondian | Canada (Manitoba) | A. ovata (28023) |