| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ctenalosia fixata
Taxonomy
Ctenalosia fixata was named by Cooper and Stehli (1955). Its type specimen is USNM 124123a and is not a trace fossil. Its type locality is USNM706c, Hess Canyon, Glass Mountains, which is in a Roadian marine limestone in the Word Formation of Texas. It is the type species of Ctenalosia.
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Ctenalosia fixata Cooper and Stehli p. 471 figs. Pl 52, figs 1-16 |
| 1960 | Ctenalosia fixata Muir-Wood and Cooper p. 92 figs. Pl 31, figs 17-25 |
| 1977 | Ctenalosia fixata Wardlaw figs. Pl 3, figs 47-78 |
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.
†Ctenalosia fixata Cooper and Stehli 1955
show all | hide all
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 3.03 | 2.40 | 4.20 | 3.00 | 0.768 |
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Williams et al. 2000, Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Roadian to the top of the Capitanian or 272.30000 to 259.51000 Ma
Collections (75 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | USA (Texas) | Ctenalosia fixata (type locality: 43551 81693 101767 105726) | |
| Wordian | USA (Texas) | Ctenalosia fixata (43550 43552 81941 102619 105683 105764 105821 105977) | |
| Capitanian | USA (Texas) | Ctenalosia fixata (81625) | |
| Wuchiapingian | USA (Nevada) | Ctenalosia fixata (39436 39437 39438 39442 39443 39444 39446 39447 39449 39450 39451 39452 39453 39456 39457 39458 39459 39460 39463 39464 39465 39466 39467 39474 39475 39481 39486 39500 39512 39515 39522 39523 39742 39748 39750 39752 39758 39759 39765 39767 39769 39771 39775 39777 39782 39788 39793) | |
| Wuchiapingian | USA (Utah) | Ctenalosia fixata (39550 39552 39554 39555 39557 39558 39561 39562 39722 39725 39726 39733 39735 39737 39738) |