| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Lordorthis
Taxonomy
Lordorthis was named by Ross (1959). Its type is Lordorthis variabilis.
It was assigned to Hesperorthinae by Mitchell (1977); to Hesperorthidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
It was assigned to Hesperorthinae by Mitchell (1977); to Hesperorthidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
Species
L. variabilis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Lordorthis Ross |
| 1977 | Lordorthis Mitchell |
| 2000 | Lordorthis Williams et al. p. 740 |
| 2002 | Lordorthis Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Cautleyan or 449.20000 to 448.80000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Richmondian | USA (Idaho) | L. variabilis (183358) | |
| Richmondian | United Kingdom (Northern Ireland) | L. sp. (89260) | |
| Cautleyan | United Kingdom | L. sp. (163264) |