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Atelelasma
Taxonomy
Atelelasma was named by Cooper (1956). Its type is Atelelasma perfectum.
It was assigned to Atelelasmatinae by Mitchell (1977); to Orthida by Sepkoski (2002); and to Clitambonitidae by Williams et al. (2000), Liljeroth et al. (2017).
It was assigned to Atelelasmatinae by Mitchell (1977); to Orthida by Sepkoski (2002); and to Clitambonitidae by Williams et al. (2000), Liljeroth et al. (2017).
Species
A. decorticatum, A. dorsoconvexum, A. longisulcum, A. multicosta, A. perfectum (type species), A. primotica, A. subdorsoconvexum
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Atelelasma Cooper |
| 1977 | Atelelasma Mitchell |
| 2000 | Atelelasma Williams et al. p. 697 |
| 2002 | Atelelasma Sepkoski |
| 2017 | Atelelasma Liljeroth et al. |
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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.
G. †Atelelasma Cooper 1956
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†Atelelasma decorticatum Cooper 1956
†Atelelasma dorsoconvexum Cooper 1956
†Atelelasma longisulcum Liljeroth et al. 2017
†Atelelasma multicosta Hudson 1905
†Atelelasma perfectum Cooper 1956
†Atelelasma primotica Ross and Barnes 1967
†Atelelasma subdorsoconvexum Rozman and Severgina 1983
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004, Bambach et al. 2007 | |||||
Age range: base of the Early/Lower Llanvirn to the top of the Ashbyan or 468.00000 to 449.60000 Ma
Collections (40 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Floian - Darriwilian | Russian Federation (Siberia) | A. batuensis (205664) | |
| Middle Ordovician | USA (Tennessee) | A. sp. (319) | |
| Chazyan | USA (New York) | Clitambonites multicosta (172307 172308) Clitambonites multicostus (171794 172144 172193 172226) | |
| Chazyan | USA (Virginia) | A. decorticatum (186139 186140 186141 186142) | |
| Chazyan | USA (Tennessee) | A. multicostatus (222075) A. sp. (308) | |
| Chazyan | Canada (Quebec) | A. sp. (311 435) | |
| Whiterockian | USA (Nevada) | A. primotica (301) A. sp. (423 104278 104284) | |
| Darriwilian | Russian Federation (Altay) | A. subdorsoconvexum (45983 45987) | |
| Darriwilian | Russian Federation (Siberia) | A. batuensis (206165 206166) A. peregrinum (9222 206302) A. sp. (9228) A. subdorsokonvexum (206148) | |
| Early/Lower Llanvirn | United Kingdom (Wales) | A. sp. (69097) | |
| Early/Lower Llandeilo | Russian Federation (Siberia) | A. peregrinum (9295) | |
| Late/Upper Llanvirn | Russian Federation (Siberia) | A. sp. (9224) | |
| Llandeilo | Mongolia | A. subdorsoconvexum (45985) | |
| Aurelucian | Ireland | A. longisulcum (188890 188926) | |
| Ashbyan | USA (Virginia) | A. decorticatum (186143) | |
| Ashbyan | USA (Tennessee) | A. dorsoconvexum (186144 186145) A. obscurum (186146) | |
| Blackriveran | USA (Oklahoma) | A. oklahomense (23893) | |
| Onnian - Pusgillian | United Kingdom (Northern Ireland) | A. sp. (163265) |