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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Palaeaspidae
Taxonomy
Palaeaspidae was named by Kiaer (1932).
It was assigned to Poraspidei by Kiaer (1932); and to Cyathaspidoidei by van der Laan (2019).
It was assigned to Poraspidei by Kiaer (1932); and to Cyathaspidoidei by van der Laan (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Palaeaspidae Kiaer p. 15 |
| 2019 | Palaeaspidae van der Laan p. 18 |
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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.
Fm. †Palaeaspidae Kiaer 1932
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G. †Americaspis White and Moy-Thomas 1941
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†Americaspis americana Claypole 1884
†Americaspis bitruncata Claypole 1884
†Americaspis claypolei Denison 1964
Invalid names: Palaeaspis Claypole 1884 [replaced]
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 Ludlow to the top of the Lochkovian or 426.70000 to 413.02000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ludlow | USA (Pennsylvania) | Americaspis sp. (14206) | |
| Ludlow - Pridoli | USA (Pennsylvania) | Americaspis americana, Americaspis bitruncata (239072) | |
| Ludlow - Pridoli | USA (New York) | Americaspis claypolei (239074) | |
| Lochkovian | Ukraine | Palaeaspis simionescui (90350) |