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Comptoniaster
Taxonomy
Comptoniaster was named by Breton (1983). It is not extant. Its type is Goniaster (Stellaster) comptoni. It was considered paraphyletic by Blake (2010).
It was assigned to Goniasteridae by Breton (1983), Breton (1992), Villier (2008), Villier (2010), Blake (2010) and Gale (2011).
It was assigned to Goniasteridae by Breton (1983), Breton (1992), Villier (2008), Villier (2010), Blake (2010) and Gale (2011).
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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.
G. †Comptoniaster Breton 1983
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†Comptoniaster adamsi Blake 2010
†Comptoniaster basseti de Loriol 1887
†Comptoniaster berthandi Wright 1880
†Comptoniaster comptoni Forbes 1848
†Comptoniaster destombesi Breton 1988
†Comptoniaster fourtaui de Loriol 1909
†Comptoniaster godeti Breton 1992
†Comptoniaster jangouxi Breton 1992
†Comptoniaster meyeri Breton et al. 1994
†Comptoniaster michaelisi Niebuhr and Seibertz 2018
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Invalid names: Asterias schulzii Roemer 1841 [replaced]
†Comptoniaster peetersorum Jagt 2000
†Comptoniaster schlumbergeri de Loriol 1889
†Comptoniaster sharpii Wright 1880
†Comptoniaster spongiarum Breton 1992
†Comptoniaster vrinensis Villier et al. 2004
†Comptoniaster weitschati Breton 1988
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Breton 1992 | Long and slender arms (occasionally obtuse). Interbrachial arc straight or slightly concave. R:r ratio between 2 and 3 in adults. Marginal plates numerous, short, wider in the disc and the base of the arm. Superomarginal rows separated by at least one row of abactinal plates all along the arm. Ornament of fine and dense granule-pits. Pedicellariae-pits large, elongate and numerous, when present. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Blake 1990, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Middle Toarcian to the top of the Late/Upper Campanian or 182.00000 to 70.60000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Toarcian | France (Poitou-Charentes) | C. vrinensis (31839) | |
| Late/Upper Bajocian | Switzerland | Tylasteria berthandi (32036) | |
| Bajocian | France | C. sharpii (59772) | |
| Late/Upper Callovian | Poland | C. sp. (63064) | |
| Late/Upper Kimmeridgian | France | C. meyeri (58209) | |
| Early/Lower Hauterivian | France | C. godeti (59653) | |
| Late/Upper Barremian | France (Drôme) | C. godeti (177726) | |
| Early/Lower Cenomanian | France (Normandy) | C. comptoni (59658) | |
| Early/Lower Cenomanian | United Kingdom | C. comptoni (59682) | |
| Late/Upper Cenomanian | USA (Texas) | C. adamsi (95371) | |
| Santonian | Egypt (Al Jizah) | Comptonia fourtaui, Comptonia schlumbergeri (38659) | |
| Late/Upper Campanian | Belgium (Liege) | C. peetersorum (32150) |