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Pseudoheliodiscus viejoensis
Taxonomy
Pseudoheliodiscus viejoensis was named by Pessagno et al. (1979). Its type specimen is USNM 251822 and is a 3D body fossil. Its type locality is V5A7, V5A traverse, Punta San Hipolito, Baja California, which is in an Alaunian/Sevatian basinal (siliceous) chert in the San Hipolito Formation of Mexico.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Pseudoheliodiscus viejoensis Pessagno et al. p. 171 figs. Pl. 5, fig. 12 |
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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.
†Pseudoheliodiscus viejoensis Pessagno et al. 1979
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: Alaunian or 215.38000 to 211.18000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Norian | USA (Alaska) | Pseudoheliodiscus viejoensis (91033) | |
| Alaunian | Mexico | Pseudoheliodiscus viejoensis (131153 131155) | |
| Alaunian - Sevatian | Mexico | Pseudoheliodiscus viejoensis (131150 type locality: 131160 131161 131163) |