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Diploaspididae
Taxonomy
Diploaspididae was named by Stormer (1972). Its type is Diploaspis.
It was assigned to Chasmataspidida by Dunlop et al. (2003), Poschmann et al. (2005) and Dunlop et al. (2020).
It was assigned to Chasmataspidida by Dunlop et al. (2003), Poschmann et al. (2005) and Dunlop et al. (2020).
Subtaxa
Achanarraspis, Diploaspis (type genus), Dvulikiaspis, Forfarella, Heteroaspis, Loganamaraspis, Nahlyostaspis, Octoberaspis, Skrytyaspis
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Diploaspididae Stormer |
| 2003 | Diploaspididae Dunlop et al. p. 222 |
| 2005 | Diploaspididae Poschmann et al. p. 117 |
| 2020 | Diploaspididae Dunlop et al. p. 16 |
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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. †Diploaspididae Stormer 1972
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G. †Diploaspis Størmer 1972
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†Diploaspis casteri Størmer 1972
†Diploaspis muelleri Poschmann et al. 2005
G. †Heteroaspis Størmer 1972
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†Heteroaspis stoermeri Novojilov 1959
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Invalid names: Heteroaspis novojilovi Størmer 1972 [synonym]
G. †Loganamaraspis Tetlie and Braddy 2004
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Lochkovian to the top of the Pragian or 419.20000 to 407.60000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lochkovian | Russian Federation | Heteroaspis stoermeri, Skrytyaspis andersoni (26989) | |
| Lochkovian | Russian Federation (Siberia) | Heteroaspis stoermeri, Dvulikiaspis menneri (60391) | |
| Lochkovian | Russian Federation (Krasnoyarsk Krai) | Dvulikiaspis menneri, Skrytyaspis andersoni (231624) | |
| Pragian | Germany | Diploaspis muelleri (152107) | |
| Early/Lower Emsian | Germany (Alken) | Diploaspis casteri, Heteroaspis novojilovi (27049) |