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Arandaspida
Taxonomy
Arandaspida was named by Ritchie and Gilbert-Tomlinson (1977).
It was reranked as the order Arandaspidida by Young (1997).
It was assigned to Pteraspidomorphi by Young (1997); to Pteraspidomorphi by Long (2011); and to Pteraspidomorpha by Nelson et al. (2016) and Van Der Laan (2019).
It was reranked as the order Arandaspidida by Young (1997).
It was assigned to Pteraspidomorphi by Young (1997); to Pteraspidomorphi by Long (2011); and to Pteraspidomorpha by Nelson et al. (2016) and Van Der Laan (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Arandaspida Ritchie and Gilbert-Tomlinson |
| 1997 | Arandaspidida Young p. 4 |
| 2011 | Arandaspida Long p. 241 |
| 2016 | Arandaspida Nelson et al. p. 27 |
| 2019 | Arandaspida Van Der Laan 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.
Subcl. †Arandaspida Ritchie and Gilbert-Tomlinson 1977
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Fm. †Arandaspididae Ritchie and Gilbert-Tomlinson 1977
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G. †Arandaspis Ritchie and Gilbert-Tomlinson 1977
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†Arandaspis prionotolepis Ritchie and Gilbert-Tomlinson 1977
G. †Porophoraspis Ritchie and Gilbert-Tomlinson 1977
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†Porophoraspis crenulata Ritchie and Gilbert-Tomlinson 1977
Or. †Arandaspidiformes Ritchie and Gilbert-Tomlinson 1977
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Invalid names: Porophoraspidae Halstead 1993 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Bendigonian to the top of the Caradoc or 474.90000 to 449.50000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenig | Australia (Northern Territory) | Arandaspis prionotolepis (90386) Porophoraspis crenulata, Arandaspis prionotolepis (90382) | |
| Bendigonian | Australia (Northern Territory) | Porophoraspis sp. (90417) | |
| Dapingian - Darriwilian | Oman | Sacabambaspis sp. (90376) | |
| Llanvirn | Australia (New South Wales) | Arandaspis sp. (90375) | |
| Llanvirn | Australia (Northern Territory) | Arandaspis sp., Porophoraspis sp. (90420) | |
| Darriwilian | Australia (Northern Territory) | Sacabambaspis sp. (90418) | |
| Darriwilian | Oman | Sacabambaspis sp. (90377) | |
| Early/Lower Llandeilo | Argentina | Sacabambaspis janvieri (8868) | |
| Caradoc | Bolivia (Punata) | Sacabambaspis janvieri (210981) | |
| Caradoc | Australia (Northern Territory) | Sacabambaspis sp. (90419) | |
| Caradoc | Bolivia | Sacabambaspis janvieri (90387 90478 210982) |