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Syndielasmatidae
Taxonomy
Syndielasmatidae was named by Cooper (1956). Its type is Syndielasma.
It was assigned to Plectambonitoidea by Williams et al. (2000).
It was assigned to Plectambonitoidea by Williams et al. (2000).
Subtaxa
Sowerbyites, Syndielasma (type genus)
Synonymy list
Year | Name and author |
---|---|
1956 | Syndielasmatidae Cooper |
2000 | Syndielasmatidae Williams et al. p. 317 |
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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. †Syndielasmatidae Cooper 1956
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G. †Sowerbyites Teichert 1937
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†Sowerbyites delicatus Cooper 1956
†Sowerbyites gildersleevei Cooper 1956
†Sowerbyites hami Cooper 1956
†Sowerbyites hibernicus Mitchell 1977
†Sowerbyites isotes Percival 1991
†Sowerbyites lamellosus Cooper 1956
†Sowerbyites medioseptatus Teichert 1937
†Sowerbyites subnasutus Cooper 1956
†Sowerbyites triseptatus Willard 1928
†Sowerbyites vesciseptus Percival 1979
†Sowerbyites wahringaensis Percival et al. 2001
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Aberhan et al. 2004, Nesnidal et al. 2013 |
Age range: base of the Middle Ordovician to the top of the Harnagian or 470.00000 to 455.80000 Ma
Collections (56 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Arenig | China (AnHui) | Sowerbyites sp. (7841) | |
Rangerian | USA (Nevada) | Syndielasma biseptatum (104448 104460) | |
Whiterockian | USA (Nevada) | Syndielasma biseptatum (104449) Syndielasma sp. (14232) | |
Middle Ordovician | USA (Kentucky) | Sowerbyites sp. (124619) | |
Early/Lower Llanvirn | Norway (Trøndelag) | Syndielasma biseptatum (191062) | |
Llanvirn | Ireland | Syndielasma sp. (381) | |
Gisbornian - Darriwilian | Australia (New South Wales) | Sowerbyites wahringaensis (119706) | |
Gisbornian - Harnagian | Australia (New South Wales) | Sowerbyites sp. (2708) | |
Ashbyan | USA (Virginia) | Sowerbyites gildersleevei (203256) Sowerbyites sp. (33544 33545 33546 33547 33548) Sowerbyites subnasutus (203254) Sowerbyites triseptatus (105245) | |
Ashbyan | USA (Tennessee) | Sowerbyites triseptatus (203285 219873) | |
Ashbyan - Blackriveran | USA (Virginia) | Plectambonites triseptatus (203286) | |
Blackriveran | USA (Tennessee) | Sowerbyites delicatus (203257) | |
Blackriveran | USA (Oklahoma) | Sowerbyites hami, Sowerbyites lamellosus (23895) Sowerbyites lamellosus (23893) | |
Caradoc | USA (Nevada) | Sowerbyites sp. (320) | |
Caradocian | USA (Virginia) | Sowerbyites triseptatus (33454 33455 33525 33526) | |
Gisbornian - Eastonian | Australia (New South Wales) | Sowerbyites sp. (2721) | |
Gisbornian - Eastonian | Australia (Tasmania) | Sowerbyites sp. (2685) | |
Rocklandian - Kirkfieldian | United Kingdom (Northern Ireland) | Sowerbyites hibernicus (89157) | |
Wildernessian | Canada (Northwest Territories) | Sowerbyites sp. (26953) | |
Mohawkian | USA (Nevada) | Sowerbyites lamellosus (186187) Sowerbyites sp. (105564) | |
Eastonian | Australia (New South Wales) | Sowerbyites isotes (2699 2702 2725 2726 2727 2745 2751 2754 64562 166834 166835 166840 166843 166845 166848 166849 166850) Sowerbyites sp. (2648 64583) | |
Eastonian - Onnian | Australia (Tasmania) | Sowerbyites sp. (2693) | |
Eastonian - Onnian | Australia (New South Wales) | Sowerbyites vesciseptus (2661) |