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Metalegoceras baylorense
Taxonomy
Goniatites baylorensis was named by White (1891). It is a 3D body fossil. Its type locality is Old Military Crossing, Whiskey Creek, Wichita River, which is in an Artinskian coastal siliciclastic in the Clyde Formation of Texas.
It was recombined as Paralegoceras baylorense by Smith (1903); it was recombined as Metalegoceras baylorense by Plummer and Scott (1937), Miller and Parizek (1948), Kues (1995), Leonova (2002).
It was recombined as Paralegoceras baylorense by Smith (1903); it was recombined as Metalegoceras baylorense by Plummer and Scott (1937), Miller and Parizek (1948), Kues (1995), Leonova (2002).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1891 | Goniatites baylorensis White p. 19 figs. Pl 2, figs 1-3 |
| 1903 | Paralegoceras baylorense Smith p. 99 figs. Pl 4, figs 9-11 |
| 1937 | Metalegoceras baylorense Plummer and Scott p. 284 figs. Pl 21, figs 8-13 |
| 1948 | Metalegoceras baylorense Miller and Parizek p. 352 figs. Pl 56, figs 1-4 |
| 1995 | Metalegoceras baylorense Kues p. 86 fig. 10.10,10.11,11C |
| 2002 | Metalegoceras baylorense Leonova |
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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.
†Metalegoceras baylorense White 1891
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 22.7 | 17.0 | 30.0 | 23.0 | 6.51 | |
| shell diameter | 3 | 61.8 | 45.5 | 90.0 | 57.5 | 23.0 | |
| shell inflation | 3 | 21.5 | 16.0 | 31.0 | 20.0 | 7.77 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Sakmarian to the top of the Artinskian or 293.52000 to 283.30000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | USA (New Mexico) | Metalegoceras baylorense (39155) | |
| Artinskian | USA (Texas) | Goniatites baylorensis (type locality: 108766) Metalegoceras baylorense (128587) | |
| Artinskian | USA (New Mexico) | Metalegoceras baylorense (113078) |