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Placoparina
Taxonomy
Placoparina was named by Whittard (1940) [Sepkoski's age data: O Llvi-l O Llde Sepkoski's reference number: 378]. It is not extant.
It was assigned to Cheiruridae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
It was assigned to Cheiruridae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1940 | Placoparina Whittard |
2002 | Placoparina Jell and Adrain p. 426 |
2002 | Placoparina 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: g = genus, f = family, c = class | |||||
References: Hendy 2009, Aberhan et al. 2004, Whittington et al. 1997 |
Age range: base of the Early/Lower Llanvirn to the top of the Llandeilo or 468.00000 to 458.40000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Llanvirn | United Kingdom (England) | P. sp. (3707) | |
Llandeilo | China (QingHai) | P. sp. (8682) | |
Llandeilo | China (GanSu) | P. sp. (8578) | |
Llandeilo | United Kingdom | P. sedgwickii (234034) |