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Comptoniaster meyeri
Taxonomy
Comptoniaster meyeri was named by Breton et al. (1994). It is not extant. Its type specimen is Centre des Sciences de la Terre, Université Claude-Bernard Lyon 1, Holotype FSL. Its type locality is Echinodermata, Upper Kimmeridgian, Cerin, Southern French Jura , Ain, which is in a Kimmeridgian lagoonal/restricted shallow subtidal limestone in France. It was considered monophyletic by Breton et al. (1994).
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Comptoniaster meyeri Breton et al. pp. 50-54 figs. 1-3, pl. 1 fig. 1-4 |
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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.
†Comptoniaster meyeri Breton et al. 1994
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Breton et al. 1994 | Form stellate, interbrachial arc rounded and regularly concave. Twelve to fourteen pairs of marginal plates per half-arc. Superomarginal plates high with lateral faces converging abradially. Inferomarginal plates relatively low, twice wide as long in the interbrachial arc. Relative width of the marginal decreases in the arm and marginal plates are squared near the arm tip. External face of inferomarginal and interbrachial superomarginal weakly domed with ornament of fine, dense granule pits. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004, Blake 1990 | |||||
Age range: Late/Upper Kimmeridgian or 152.21000 to 149.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Kimmeridgian | France | Comptoniaster meyeri (type locality: 58209) |