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Squatina (Cretascyllium) cranei
Taxonomy
Squatina cranei was named by Woodward (1888).
It was recombined as Squatina (Cretascyllium) cranei by Guinot et al. (2012) and Sokolskyi and Guinot (2021).
It was recombined as Squatina (Cretascyllium) cranei by Guinot et al. (2012) and Sokolskyi and Guinot (2021).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1888 | Squatina cranei Woodward |
1889 | Squatina cranei Woodward p. 66 |
1935 | Squatina decipiens Dalinkevičius p. 249 figs. Pl 1, figs 10-17 |
1975 | Squatina decipiens Cappetta p. 123 fig. 7 |
1975 | Squatina cranei Cappetta p. 124 fig. 8 |
1977 | Squatina cranei Herman p. 123 |
1977 | Squatina decipiens Herman p. 123 |
1991 | Squatina cranei Müller and Diedrich p. 21 |
1991 | Cretascyllium expansum Müller and Diedrich p. 25 figs. Taf. 5 Fig. 1-3; Taf. 6 Fig. 1-2, Taf. 17 Fig. 2-3 |
1993 | Squatina cranei Biddle p. 199 |
1993 | Squatina decipiens Biddle p. 199 |
1999 | Squatina cranei Underwood and Mitchell figs. Pl 4, figs 1,2 |
2005 | Squatina cranei Rees p. 216 figs. Pl 2, figs 1-5 |
2012 | Squatina (Cretascyllium) cranei Guinot et al. p. 532 figs. 2-7 |
2021 | Squatina (Cretascyllium) cranei Sokolskyi and Guinot p. 7 figs. 2W-X |
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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.
†Squatina (Cretascyllium) cranei Woodward 1888
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Invalid names: Cretascyllium expansum Müller and Diedrich 1991 [synonym], Squatina decipiens Dalinkevičius 1935 [synonym]
Diagnosis
Reference | Diagnosis | |
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A. Müller and C. Diedrich 1991 (Cretascyllium expansum) | Eine Art der Gattung Cretascyl/ium mit hemiaulacorhizer, plumper, squatinoider Wurzel. Anteriore Zähne mit hoher, schlanker Hauptspitze und kurzen seitlichen Absätzen des Kronenrumpfes, annähernd bilateral-symmetrisch. Lateralzähne mit niedrigerer, breiterer und flacherer Krone. Bei den Oberkieferzähnen Hauptspitze deutlich in Richtung Komissur geneigt, bei den Unterkieferzähnen ziemlich gerade. Posteriore Zähne niedrig und breit, mit mesial und distal deutlich abgesetztem Kronenrumpf. |
Measurements
No measurements are available
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Source: o = order, subp = subphylum | |||||
References: Hendy et al. 2009, Wagner 2023, Carroll 1988 |
Age range: base of the Late/Upper Valanginian to the top of the Cenomanian or 140.20000 to 93.90000 Ma
Collections (50 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Valanginian | Poland | Squatina cranei (213518 213519) | |
Late/Upper Aptian | France | Squatina cranei, Squatina decipiens (214869) | |
Early/Lower Albian | United Kingdom (England) | Squatina cranei (213324) Squatina sp. (213320) | |
Middle Albian | United Kingdom (England) | Squatina cranei (213325 213326 213367) | |
Late/Upper Albian | Ukraine | Squatina cranei (214239 214240 214241 214242) | |
Late/Upper Albian | United Kingdom (England) | Squatina cranei (213327 213331 213332 213334 213335 213336 213339 213340 213341 213342 213345 213346 213351 213369 213372 213373 213374) Squatina cranei, Cretascyllium sp. (213337) Squatina cranei, Squatina sp. (213328 213329 213330 213348 213368) Squatina sp. (213338 213350 213371) | |
Late/Upper Albian | Lithuania | Squatina decipiens (213709 213710) | |
Late/Upper Albian - Early/Lower Cenomanian | Kazakhstan | Squatina decipiens (175010) | |
Cenomanian | Lithuania | Squatina decipiens (213716) | |
Cenomanian | Germany (Westphalia) | Squatina cranei, Cretascyllium expansum (210063) | |
Early/Lower Cenomanian | United Kingdom (England) | Squatina cranei (213359 213363 213567) | |
Late/Upper Cenomanian | Lithuania | Squatina decipiens (213713 213720) | |
Middle Cenomanian | United Kingdom (England) | Squatina cranei (213569) Squatina cranei, Squatina sp. (213365) |