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Erediaspis
Taxonomy
Erediaspis was named by Opik (1967) [Sepkoski's age data: Cm uMid-u Sepkoski's reference number: 16,482]. It is not extant.
It was assigned to Tricrepicephalidae by Zhang (1985); and to Ptychopariida by Sepkoski (2002).
It was assigned to Tricrepicephalidae by Zhang (1985); and to Ptychopariida by Sepkoski (2002).
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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.
G. †Erediaspis Opik 1967
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004 | |||||
Age range: Guzhangian or 500.50000 to 497.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Guzhangian | China (Nei Mongol) | E. sp. (130254) |