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Kozlowskia alata
Taxonomy
Kozlowskia alata was named by Cooper and Grant (1975). Its type specimen is USNM 149800d, a shell (Articulated shell), and it is not a trace fossil. Its type locality is USNM705a, Hess Ranch, Glass Mountains, which is in a Kungurian reef, buildup or bioherm limestone in the Skinner Ranch Formation of Texas.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Kozlowskia alata Cooper and Grant p. 971 figs. Pl 312, figs 1-20; pl 453, fig 34 |
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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.
†Kozlowskia alata Cooper and Grant 1975
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 9.83 | 8.70 | 12.0 | 9.40 | 1.27 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Williams et al. 2000 | |||||
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 274.40000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Texas) | Kozlowskia alata (75885 75936 106124) | |
| Kungurian | USA (Texas) | Kozlowskia alata (type locality: 43534 75861) |