Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Proetus (Crassiproetus) microgranulatus was named by Stumm (1953) [= Proetus (Crassiproetus) sp. B Stumm 1953a: 115, pI. 1, fig. 9.].
It was recombined as Crassiproetus microgranulatus by Lieberman (1994).
It was recombined as Crassiproetus microgranulatus 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 microgranulatus Stumm 1953
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Diagnosis
Reference | Diagnosis | |
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B. S. Lieberman 1994 | Eye sits on relatively broad, flat pedestal; posterior region of glabella inflated pygidial axis separated from border by small space; anterior branch of facial suture running straight forward; medial kinks on pygidial axial rings visible on half of axial segments; typically 16 rings; top of pygidial pleural segments, in lateral view, rounded; pygidium broad, width 1.5 times length; pygidial border developed as rounded, laterally splayed ridge. |
Measurements
No measurements are available
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Source: f = family, o = order, c = class | |||||
References: Hendy 2009, Fortey and Owens 1999, Aberhan et al. 2004 |
Age range: Middle Devonian or 393.30000 to 382.70000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Middle Devonian | USA (Michigan) | Proetus microgranulatus (206786) |