| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Proetus (Crassiproetus) traversensis was named by Stumm (1953) [= Proetus crassimarginatus (Hall). Howell, 1951: 271, pl. 5, fig. 3.
= Proetus (Crassiproetus) sp. A. Stumm, 1 953a: 114, pl. 1, fig. 16.
= Proetus crassimarginatus (Hall). Stumm, 1964: 3, pl. 1, figs. 7-12.]. It is the type species of Proetus (Crassiproetus).
It was recombined as Crassiproetus traversensis by Lieberman (1994).
It was recombined as Crassiproetus traversensis by Lieberman (1994).
Synonymy list
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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.
†Crassiproetus traversensis Stumm 1953
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. S. Lieberman 1994 | Genal angle deflected posteriorly, with lateral edge directed straight back; posterior region ofglabella planar; SO at midline weakly incised; facial suture symmetrical around eye, evenly curves around anterior and posterior halves of eye; striations on border developed as rounded lateraly splayed ridge; pygidial pleurae laterally curving sharply posteriorly, relatively steeply arched, with dorsal surface in lateral view flat; pygidial axis reaches border.anterior border developed anteriorly; intraoccipital lobes weakly incised; 17-18 pygidial axial rings; axis low and flattened; pygidial |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009, Fortey and Owens 1999 | |||||
Age range: base of the Southwoodian to the top of the Givetian or 391.90000 to 382.70000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Southwoodian | USA (Indiana) | Proetus crassimarginatus (188933) | |
| Givetian | USA (Michigan) | Proetus traversensis (207838) |