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Skenidiidae
Taxonomy
Skenidiidae was named by Kozlowski (1929). Its type is Skenidium.
It was assigned to Orthida by Mitchell (1977); to Orthacea by Wright (1964), Bassett and Cocks (1974), Temple (1987); and to Skenidioidea by Williams et al. (2000), Benedetto (2003), Rubel (2011), Hansen and Holmer (2011).
It was assigned to Orthida by Mitchell (1977); to Orthacea by Wright (1964), Bassett and Cocks (1974), Temple (1987); and to Skenidioidea by Williams et al. (2000), Benedetto (2003), Rubel (2011), Hansen and Holmer (2011).
Subtaxa
Crossiskenidium, Protoskenidioides, Replicoskenidioides, Skenidioides, Skenidium (type genus), Tropidothyris
Synonymy list
| Year | Name and author |
|---|---|
| 1929 | Skenidiidae Kozlowski |
| 1964 | Skenidiidae Wright |
| 1974 | Skenidiidae Bassett and Cocks |
| 1977 | Skenidiidae Mitchell |
| 1987 | Skenidiidae Temple p. 38 |
| 2000 | Skenidiidae Williams et al. p. 712 |
| 2003 | Skenidiidae Benedetto |
| 2011 | Skenidiidae Hansen and Holmer |
| 2011 | Skenidiidae Rubel |
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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.
Fm. †Skenidiidae Kozlowski 1929
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G. †Protoskenidioides Williams 1974
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†Protoskenidioides promontorium Hansen and Holmer 2011
†Protoskenidioides revelata Williams 1974
G. †Skenidioides Schuchert and Cooper 1931
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†Skenidioides acutum Lindström 1861
†Skenidioides anthonense Sardeson 1894
†Skenidioides asteroideus Reed 1917
†Skenidioides billingsi Schuchert and Cooper 1931
†Skenidioides costatus Cooper 1956
†Skenidioides craigensis Reed 1917
†Skenidioides elongatus Cooper 1956
†Skenidioides greenhoughi Reed 1917
†Skenidioides hymiri Baarli 1995
†Skenidioides kayseri Benedetto 2003
†Skenidioides lewisii Davidson 1848
†Skenidioides multifarius Potter 1990
†Skenidioides oklahomensis Cooper 1956
†Skenidioides operosa Johnson et al. 1976
†Skenidioides paucicostatus Wright 1964
†Skenidioides petrasi Rubel 2011
†Skenidioides pyramidalis Twenhofel 1928
†Skenidioides robertsensis Johnson et al. 1973
†Skenidioides scoliodus Temple 1968
†Skenidioides woodlandiensis Davidson 1882
G. †Tropidothyris
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009, Nesnidal et al. 2013 | |||||
Age range: base of the Blackhillsian to the top of the Frasnian or 475.30000 to 372.15000 Ma
Collections (649 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dawan | China (JiangSu) | Protoskenidiodes sp. (7933) | |
| Floian | China (Hubei) | Protoskenidioides huanghuaensis (186117 186120) | |
| Arenig | China (Hubei) | Protoskenidiodes sp. (4714) Protoskenidiodes sp., Skenidioides sp. (4715) Skenidioides sp. (4709) | |
| Arenig | United Kingdom (England) | Protoskenidiodes sp. (3684) | |
| Arenig | Argentina | Skenidioides sp. (8783 8875) | |
| Arenig | United Kingdom (Shropshire) | Protoskenidioides revelata (43918 43930 43931) | |
| Arenig | United Kingdom (Wales) | Skenidioides sp. (69096) | |
| Arenigian | Argentina | Protoskenidioides revelata (115181) Skenidioides kayseri (115182 115183) Skenidioides kayseri, Crossiskenidium stelzneri, Protoskenidioides revelata (115170) | |
| Blackhillsian | Norway (Spitsbergen) | Protoskenidioides promontorium (189896 189901 189911 189924 189929) | |
| Castlemainian - Yapeenian | Ireland | Crossiskenidium spinosum, Crossiskenidium lamellosum, Protoskenidioides hibernicus (153922) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Zlichovian | Czechia (Barrandia) | Skenidioides boucoti, Skenidioides fascinatus (12112) | |
| Zlichovian | Canada (Yukon) | Skenidioides sp. (81647) | |
| Late/Upper Emsian | Canada (Yukon Territory) | Skenidioides variabilis (26659) | |
| Eifelian | Czechia (Barrandia) | Skenidioides cingulatus (12252) | |
| Eifelian | Poland | Skenidioides polonicus (231679) | |
| Late/Upper Eifelian | Morocco (Maider) | Skenidioides polonicus (234962) | |
| Givetian | USA (Nevada) | Skenidium asellatum (94274 94407) | |
| Middle Givetian | France (Bretagne) | Skenidium sp. (84086 84091 84095 84098 84099) | |
| Frasnian | USA (Iowa) | Skenidium independense (35502) | |
| Frasnian | USA (New Mexico) | Skenidium independense (219871) | |