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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Acrotomaspidinae
Taxonomy
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Acrotomaspidinae Janvier |
| 2009 | Acrotomaspidinae 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.
Subfm. †Acrotomaspidinae Janvier 1981
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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: Pragian or 413.02000 to 410.62000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pragian | Svalbard and Jan Mayen | Gustavaspis trinodis (238353) | |
| Pragian - Emsian | Svalbard and Jan Mayen | Acrotomaspis instabilis (233179 237853) |