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Waagenites trapezoidalis
Taxonomy
Chonetes trapezoidalis was named by Waagen (1884). It is a 3D body fossil. Its type locality is Morah, yellowish sandstone, Upper Productus-limestone, Salt Range (Wynne coll), which is in a Changhsingian marine sandstone in the Chhidru Formation of Pakistan.
It was recombined as Waagenites trapezoidalis by Lee and Gu (1980); it was recombined as Quadrochonetes trapezoidalis by Kalashnikov (1993).
It was recombined as Waagenites trapezoidalis by Lee and Gu (1980); it was recombined as Quadrochonetes trapezoidalis by Kalashnikov (1993).
Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Chonetes trapezoidalis Waagen p. 623 figs. Pl 59, figs 3,4 |
| 1902 | Chonetes trapezoidalis Tschernyschew p. 231 figs. Pl 27, figs 6-8 |
| 1980 | Waagenites trapezoidalis Lee and Gu p. 343 figs. Pl 163, fig 12 |
| 1993 | Quadrochonetes trapezoidalis Kalashnikov p. 29 figs. Pl 10, figs 4,5,7 |
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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.
†Waagenites trapezoidalis Waagen 1884
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 2.00 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Pennsylvanian to the top of the Changhsingian or 323.40000 to 251.90200 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pennsylvanian | USA (Alaska) | Chonetes trapezoidalis (112188) | |
| Pennsylvanian | USA (Alaska) | Chonetes trapezoidalis (111914) | |
| Permian | USA (Alaska) | Chonetes trapezoidalis (112194 112196 112199) | |
| Sakmarian | Russian Federation | Quadrochonetes trapezoidalis (109087) | |
| Kungurian | Russian Federation | Quadrochonetes trapezoidalis (109994) | |
| Wordian - Capitanian | China (Nei Mongol) | Waagenites trapezoidalis (111185) | |
| Changhsingian | Pakistan | Chonetes trapezoidalis (type locality: 125354) |