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Spirostreptida
Taxonomy
Spirostreptida was named by Cook (1895). It is extant.
It was assigned to Helminthomorpha by Santiago-Blay and Poinar (1992); and to Juliformia by Shear and Edgecombe (2010).
It was assigned to Helminthomorpha by Santiago-Blay and Poinar (1992); and to Juliformia by Shear and Edgecombe (2010).
Subtaxa
Synonymy list
Year | Name and author |
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1895 | Spirostreptida Cook |
1992 | Spirostreptida Santiago-Blay and Poinar p. 366 |
2010 | Spirostreptida Shear and Edgecombe p. 181 |
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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.
Or. Spirostreptida Cook 1895
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Kiessling 2004 |
Age range
Maximum range based only on fossils: base of the Early/Lower Cenomanian to the top of the Langhian or 99.60000 to 13.82000 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Cenomanian | Myanmar | Cambalidea indet. (184692) Cambalidea indet., Cambalidae indet. (184444) | |
Chattian | France | Protosilvestria sculpta (160861 160862) | |
Burdigalian - Langhian | Dominican Republic | Epinannolene sp. (122472) |