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Paraacidaspis
Taxonomy
Paraacidaspis was named by Poletaeva (1960) [Sepkoski's age data: Cm Dres O Trem Sepkoski's reference number: 459]. It is not extant.
It was assigned to Odontopleurida by Sepkoski (2002); and to Lichakephalidae by Jell and Adrain (2002).
It was assigned to Odontopleurida by Sepkoski (2002); and to Lichakephalidae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Paraacidaspis Poletaeva |
| 2002 | Paraacidaspis Jell and Adrain p. 417 |
| 2002 | Paracidaspis Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: base of the Guzhangian to the top of the Paibian or 500.50000 to 494.20000 Ma
Collections (33 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Guzhangian | China (Hunan) | P. hunanica (49176 49182 49184) | |
| Paibian | China (Hunan) | P. hunanica (126130 126136 126140 126141 126142 126143 126144 126145 126283 126284 126286) P. sp., P. hunanica (126147) | |
| Paibian | China (Zhejiang) | P. sp. (128286) | |
| Sakian | Kazakhstan | P. hunanica (118305 118310 118313 118330 118332 118333 118339 118341 118342 118344 118345 118346 118348 118349 118350 118351) | |
| Dresbachian | France | P. ultima (56191) |