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Dictyocephalus
Taxonomy
Dictyocephalus was named by Ehrenberg (1860) [Sepkoski's age data: Tr R Sepkoski's reference number: ZR80]. It is extant. Its type is Cornutella obtusa.
It was synonymized objectively with Dictyocryphalus by Loeblich and Tappan (1961).
It was assigned to Metoposauridae by Carroll (1988); to Theoperidae by Liu and Aitchison (2002); and to Nassellaria by Sepkoski (2002).
It was synonymized objectively with Dictyocryphalus by Loeblich and Tappan (1961).
It was assigned to Metoposauridae by Carroll (1988); to Theoperidae by Liu and Aitchison (2002); and to Nassellaria by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1860 | Dictyocephalus Ehrenberg |
| 1887 | Dictyocryphalus Haeckel |
| 1892 | Dictyocephalus ventricosus Rüst |
| 1961 | Dictyocryphalus Loeblich and Tappan |
| 1988 | Dictyocephalus Carroll |
| 2002 | Dictyocephalus Liu and Aitchison p. 148 |
| 2002 | Dictyocephalus Sepkoski |
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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.
G. Dictyocephalus Ehrenberg 1860
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Dictyocephalus obtusus Ehrenberg 1844
Invalid names: Dictyocephalus ventricosus Rüst 1892 [nomen dubium], Dictyocryphalus Haeckel 1887 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Pliensbachian to the top of the Late/Upper Paleocene or 192.90000 to 56.00000 Ma
Minimum age of oldest fossil (stem group age): 184.2 Ma
Minimum age of oldest fossil (stem group age): 184.2 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pliensbachian | Japan | D. umenokiensis, D. chinzeii, D. kamikatsuensis, D. sp. (52057) | |
| Maastrichtian | Canada (Northwest Territories) | D. macrostoma (106433) | |
| Late/Upper Paleocene | China (Tibet) | D. middouri (69734) |