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Heterochordeumatidae
Taxonomy
Heterochordeumatidae was named by Pocock (1894). It is extant. Its type is Heterochordeuma.
It was assigned to Chordeumatida by Wesener and Moritz (2018); and to Heterochordeumatoidea by Su et al. (2024).
It was assigned to Chordeumatida by Wesener and Moritz (2018); and to Heterochordeumatoidea by Su et al. (2024).
Subtaxa
Heterochordeuma (type genus)
Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Heterochordeumatidae Pocock |
| 2018 | Heterochordeumatidae Wesener and Moritz p. 1135 |
| 2024 | Heterochordeumatidae Su et al. p. 224 |
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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. Heterochordeumatidae Pocock 1894
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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: Early/Lower Cenomanian or 100.50000 to 93.90000 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | Myanmar | Heterochordeuma liae (161726) Heterochordeumatidae indet. (144466 184444 184692) |