| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Hesperorthis laurentina
Taxonomy
Orthis laurentina was named by Billings (1857) [Holotype by monotypy, GSC 2267b (pl. 2, figs 1-5), from "Junction Cliff, Anticosti Island" (Billings, 1962, p. 139). The only specimen from Billings' original material (collected by J. Richardson) matches the the illustration of Billings (1962) and Twenhofel (1928). GSC 2267b was catalogued by Bolton (1960) as a "hypotype" but should be treated as a holotype.]. Its type specimen is GSC 2267b, a shell, and it is a 3D body fossil.
It was recombined as Hesperorthis laurentina by Bolton (1981); it was recombined as Barbarorthis laurentina by Jin and Zhan (2008).
It was recombined as Hesperorthis laurentina by Bolton (1981); it was recombined as Barbarorthis laurentina by Jin and Zhan (2008).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Orthis laurentina Billings p. 297 |
| 1981 | Hesperorthis laurentina Bolton p. 50 figs. pl. 3 f. 6 |
| 2008 | Barbarorthis laurentina Jin and Zhan pp. 14-17 figs. Pl. 2, figs. 1-24; Pl. 3, figs. 1-13; Figs. 6, 7 |
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.
†Hesperorthis laurentina Billings 1857
show all | hide all
Diagnosis
No diagnoses are available