| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Trigonotreta cracovensis
Taxonomy
Grantonia cracovensis was named by Wass (1966).
It was recombined as Trigonotreta cracovensis by Parfrey (1986), Waterhouse (1987), Waterhouse (2004).
It was recombined as Trigonotreta cracovensis by Parfrey (1986), Waterhouse (1987), Waterhouse (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Grantonia cracovensis Wass |
| 1986 | Trigonotreta cracovensis Parfrey p. 60 fig. 2.4 |
| 1987 | Trigonotreta cracovensis Waterhouse p. 16 figs. Pl 3, figs 6-13,15-17 |
| 2004 | Trigonotreta cracovensis Waterhouse |
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.
†Trigonotreta cracovensis Wass 1966
show all | hide all
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Waterhouse 1987 | Large shells bearing high angular plicae and deep angular interspaces, well defined costae, moderately numerous in anterior sulcus. Median costa high especially on dorsal valve, concentric ornament only moderately defined, lateral margins may be subalate; muscle field transverse to subquadrate, not elongate. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 274.40000 Ma
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Australia (New South Wales) | Trigonotreta cracovensis (102760) | |
| Artinskian | Australia (Queensland) | Trigonotreta cracovensis (66207 66208 66209 66210 66211 66214 66215 66216 66217 66218 66219 102800 102801 102802 102818 102835) | |
| Kungurian | Australia (Queensland) | Trigonotreta cracovensis (66221 66222 66224 116240) | |
| Kungurian | Australia (Tasmania) | Grantonia cracovensis (105422) |