Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Rasenia (Rasenia) evoluta
Taxonomy
Rasenia evoluta was named by Spath (1935). Its type specimen is BMNH 39801 and is a 3D body fossil.
It was recombined as Rasenia (Rasenia) evoluta by Mesezhnikov (1984).
It was recombined as Rasenia (Rasenia) evoluta by Mesezhnikov (1984).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1935 | Rasenia evoluta Spath p. 48 figs. Pl 14, fig 6 |
1984 | Rasenia (Rasenia) evoluta Mesezhnikov p. 108 figs. Pl 11, fig 1; pl 14, fig 1; pl 17, fig 2; pl 19, fig 3; pl 23, figs 1,3; pl 24, fig 1; text-fig 38 |
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.
†Rasenia (Rasenia) evoluta Spath 1935
show all | hide all
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
---|---|---|---|---|---|---|---|
shell height | 5 | 33.0 | 22.8 | 46.2 | 31.4 | 9.87 | |
shell diameter | 5 | 106.6 | 76.0 | 165.0 | 98.0 | 36.0 | |
shell inflation | 5 | 48.7 | 31.9 | 82.5 | 44.1 | 20.2 |
|
|
||||
|
|
||||
|
|
||||
|
|
||||
Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: base of the Early/Lower Kimmeridgian to the top of the Kimmeridgian or 155.70000 to 152.10000 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Oxfordian - Kimmeridgian | Svalbard and Jan Mayen | Rasenia evoluta (212493) | |
Early/Lower Kimmeridgian | Russian Federation (Khanty-Mansi Autonomous Okrug) | Rasenia evoluta (164309) | |
Early/Lower Kimmeridgian | Russian Federation (Siberia) | Rasenia evoluta (58774) | |
Early/Lower Kimmeridgian | Russian Federation (Krasnoyarsk) | Rasenia evoluta (163992 163993 164310 164312) |