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Tremataspidoidea
Taxonomy
Tremataspidoidea was named by Afanassieva (1991). Its type is Tremataspis.
It was assigned to Thyestiida by Sansom (2009).
It was assigned to Thyestiida by Sansom (2009).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Tremataspidoidea Afanassieva |
| 2009 | Tremataspidoidea Sansom p. 112 |
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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.
Superfm. †Tremataspidoidea Afanassieva 1991
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Kiessling 2004, Carroll 1988 | |||||
Age range: base of the Rootsikula to the top of the Eifelian or 428.60000 to 387.95000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Homerian | Sweden | Saaremaaspis mickwitzi (179987 179988 179989) | |
| Rootsikula | Estonia (Saaremaa Island) | Aestiaspis viitaensis (237766) | |
| Rootsikula | Estonia | Aestiaspis viitaensis, Saaremaaspis mickwitzi (13824) Saaremaaspis mickwitzi (13823) | |
| Rootsikula | Estonia (Saare) | Aestiaspis viitaensis, Saaremaaspis mickwitzi (206984) | |
| Paadla | Estonia (Saare) | Aestiaspis viitaensis (206935) | |
| Pridoli | Norway | Tyriaspis whitei (239059) | |
| Eifelian | Russian Federation | Aestiaspis viitaensis (90332) |