| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Trochactaeon (Neocylindrites)
Taxonomy
Trochactaeon (Neocylindrites) was named by Sayn (1932).
It was assigned to Trochactaeon by Sayn (1932).
It was assigned to Trochactaeon by Sayn (1932).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Trochactaeon (Neocylindrites) Sayn |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
Subg. †Trochactaeon (Neocylindrites) Sayn 1932
show all | hide all
†Trochactaeon (Neocylindrites) cumminsi Stanton 1947
†Trochactaeon (Neocylindrites) nelsoni Sohl and Kollmann 1985
†Trochactaeon (Neocylindrites) punctatus Maldonado-Koerdell 1950
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Middle Albian to the top of the Maastrichtian or 110.10000 to 66.00000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Albian | USA (Texas) | Trochactaeon cumminsi (66648) | |
| Late/Upper Albian | USA (Texas) | Trochactaeon cumminsi (66651 66652 66653 66654 66659 66662 66663 66664) | |
| Campanian | Puerto Rico | Trochactaeon nelsoni (66693) | |
| Early/Lower Campanian | Puerto Rico | Trochactaeon nelsoni (66700) | |
| Late/Upper Campanian | Puerto Rico | Trochactaeon nelsoni (66694 66695 66696) | |
| Maastrichtian | Mexico (Chiapas) | Trochactaeon punctatus (66668 66671) |