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Dyoros (Tetragonetes)
Taxonomy
Dyoros (Tetragonetes) was named by Cooper and Grant (1975) [Sepkoski's age data: P Leon P Guad-u Sepkoski's reference number: 538]. Its type is Dyoros (Tetragonetes) quadrangulatus.
It was reranked as Tetragonetes by Sepkoski (2002).
It was assigned to Dyoros by Cooper and Grant (1975), Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was reranked as Tetragonetes by Sepkoski (2002).
It was assigned to Dyoros by Cooper and Grant (1975), Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Subtaxa
Dyoros (Tetragonetes) auriculatus, Dyoros (Tetragonetes) complanatus, Dyoros (Tetragonetes) giganteus, Dyoros (Tetragonetes) lateralis, Dyoros (Tetragonetes) planus, Dyoros (Tetragonetes) quadrangulatus (type species), Dyoros (Tetragonetes) rectangulatus, Dyoros (Tetragonetes) solidus, Dyoros (Tetragonetes) strigosus, Dyoros (Tetragonetes) subquadratus, Dyoros (Tetragonetes) tetragonus (syn. Chonetes quadratus), Dyoros (Tetragonetes) wordensis
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Dyoros (Tetragonetes) Cooper and Grant |
| 2000 | Dyoros (Tetragonetes) Williams et al. p. 415 |
| 2002 | Tetragonetes 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.
Subg. †Dyoros (Tetragonetes) Cooper and Grant 1975
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†Dyoros (Tetragonetes) auriculatus Cooper and Grant 1975
†Dyoros (Tetragonetes) complanatus Cooper and Grant 1975
†Dyoros (Tetragonetes) giganteus Cooper and Grant 1975
†Dyoros (Tetragonetes) lateralis Cooper and Grant 1975
†Dyoros (Tetragonetes) planus Cooper and Grant 1975
†Dyoros (Tetragonetes) quadrangulatus Cooper and Grant 1975
†Dyoros (Tetragonetes) rectangulatus Cooper and Grant 1975
†Dyoros (Tetragonetes) solidus Cooper and Grant 1975
†Dyoros (Tetragonetes) strigosus Cooper and Grant 1975
†Dyoros (Tetragonetes) subquadratus Cooper and Grant 1975
†Dyoros (Tetragonetes) tetragonus Cooper and Grant 1975
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Invalid names: Chonetes quadratus King 1931 [replaced]
†Dyoros (Tetragonetes) wordensis Cooper and Grant 1975
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 85 | 2.55 | 0.800 | 6.60 | 2.60 | 1.25 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections (56 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | USA (Texas) | Chonetes quadratus (149830) Dyoros giganteus (43589 105852 105935) Dyoros giganteus, Dyoros lateralis, Dyoros planus (44519) Dyoros giganteus, Dyoros planus (101785) Dyoros giganteus, Dyoros rectangulatus (43491 43494) Dyoros lateralis (43574) Dyoros lateralis, Dyoros planus (105853) Dyoros planus (44563 105747 105939) Dyoros rectangulatus (43492 43495 43504 43510 43514 81592 81638) Dyoros rectangulatus, Dyoros solidus (43513 43517) | |
| Roadian | USA (Texas) | Chonetes quadratus (150782) Dyoros auriculatus, Dyoros complanatus (102602 106021) Dyoros auriculatus, Dyoros subquadratus (81693 101767) Dyoros complanatus (81515 81722) Dyoros giganteus (102614) Dyoros lateralis (105807) Dyoros quadrangulatus (105726) Dyoros rectangulatus (102610 105742) Dyoros solidus (43512 81640 102607 102616) Dyoros solidus, Dyoros strigosus (43518) Dyoros wordensis (43548 43553 102605) | |
| Roadian | Mexico (Chiapas) | Dyoros rectangulatus (198600) | |
| Roadian - Wordian | USA (Texas) | Chonetes quadratus (150118) | |
| Wordian | USA (Texas) | Chonetes quadratus (108393 150659 150778) Dyoros auriculatus, Dyoros complanatus (81695) Dyoros complanatus (81636 105573) Dyoros quadrangulatus (43526 43552 105764 105821 105977) Dyoros wordensis (43550) |