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Caeruleum
Taxonomy
Caeruleum was named by Huang et al. (2024). Its type is Caeruleum miraculum.
It was assigned to Petromyzontiformes by Huang et al. (2024), Huang (2024).
It was assigned to Petromyzontiformes by Huang et al. (2024), Huang (2024).
Species
C. miraculum (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2024 | Caeruleum Huang p. 2259 |
| 2024 | Caeruleum Huang et al. p. 3 |
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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
| Reference | Diagnosis | |
|---|---|---|
| W. Huang et al. 2024 | It is huge, with the total length of more than 240 mm (Table 1), the body depth of more than 17 mm, the preorbital length of more than 25 mm, and the anterior dorsal fin commencing after the seventh gill pouch. | |
| W. Huang 2024 | It is huge, with the total length of more than 240 mm (Table 1), the body depth of more than 17 mm, the preorbital length of more than 25 mm, and the anterior dorsal fin commencing after the seventh gill pouch. |
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Carroll 1988, Kiessling 2004 | |||||
Age range: Early/Lower Cretaceous or 143.10000 to 100.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cretaceous | China (Hebei) | C. gracilis, C. miraculum (237239) |