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Porcellanasteridae
Taxonomy
Porcellanasteridae was named by Sladen (1883) [initially considered as a sub-familly of Astropectinidae]. It is extant. It was considered monophyletic by Gale (1987) and Mah and Blake (2012).
It was assigned to Cribellina by Fisher (1911), Spencer and Wright (1966) and Gale (1987); to Cribellina by Gale (2011); and to Paxillosida by Blake (1989) and Mah and Blake (2012).
It was assigned to Cribellina by Fisher (1911), Spencer and Wright (1966) and Gale (1987); to Cribellina by Gale (2011); and to Paxillosida by Blake (1989) and Mah and Blake (2012).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Porcellanasteridae Sladen p. 214 |
| 1911 | Porcellanasteridae Fisher |
| 1966 | Porcellanasteridae Spencer and Wright pp. U47-48 |
| 1987 | Porcellanasteridae Gale p. 124 |
| 1989 | Porcellanasteridae Blake p. 213 |
| 2011 | Porcellanasteridae Gale p. 59 |
| 2012 | Porcellanasteridae Mah and Blake p. 3 |
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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. Porcellanasteridae Sladen 1883
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan 1992, Blake 1990, Aberhan et al. 2004 | |||||
Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Mexico | Paleoctenodiscus campaniurnus (59836) |