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Chordeumatida
Taxonomy
Chordeumida was named by Cook (1895). It is extant.
It was corrected as Chordeumatida by Wesener and Moritz (2018).
It was assigned to Helminthomorpha by Hoffman (1969); to Nematophora by Shear and Edgecombe (2010); and to Diplopoda by Wesener and Moritz (2018).
It was corrected as Chordeumatida by Wesener and Moritz (2018).
It was assigned to Helminthomorpha by Hoffman (1969); to Nematophora by Shear and Edgecombe (2010); and to Diplopoda by Wesener and Moritz (2018).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Chordeumida Cook |
| 1969 | Chordeumida Hoffman p. 593 |
| 2010 | Chordeumida Shear and Edgecombe p. 181 |
| 2018 | Chordeumatida Wesener and Moritz p. 1134 |
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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. Chordeumatida Cook 1895
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Fm. Craspedosomatidae Cook 1895
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G. Atractosoma Fanzago 1876
G. Craspedosoma Leach 1814
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†Craspedosoma aculeatum Menge 1854
†Craspedosoma affine Koch and Berendt 1854
†Craspedosoma angulatum Koch and Berendt 1854
†Craspedosoma armatum Menge 1854
†Craspedosoma cylindricum Menge 1854
†Craspedosoma obtusangulum Menge 1854
†Craspedosoma setosum Menge 1854
Invalid names: Heterochordeumatidae Pocock 1894 [empty]
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 Priabonian or 99.60000 to 33.90000 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | Myanmar | Chordeumatida indet., Heterochordeumatidae indet. (184692) Heterochordeumatidae indet. (144466 184444) | |
| Priabonian | Poland | Craspedosoma affine (109625) Craspedosoma angulatum, Craspedosoma obtusangulum, Craspedosoma aculeatum, Craspedosoma armatum, Craspedosoma cylindricum, Craspedosoma setosum, Euzonus collulum (120811) | |
| Priabonian | Russian Federation (Kaliningrad) | Craspedosoma angulatum (138659) |