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Hexanchoidei
Taxonomy
Hexanchoidea was named by Hay (1902).
It was reranked as the suborder Hexanchoidei by Maisey (1986), Cahuzac et al. (2007) and Stumpf and Kriwet (2019).
It was assigned to Squali by Hay (1902); to Selachii by Kumar and Loyal (1987); and to Hexanchiformes by Maisey (1986), Cahuzac et al. (2007) and Stumpf and Kriwet (2019).
It was reranked as the suborder Hexanchoidei by Maisey (1986), Cahuzac et al. (2007) and Stumpf and Kriwet (2019).
It was assigned to Squali by Hay (1902); to Selachii by Kumar and Loyal (1987); and to Hexanchiformes by Maisey (1986), Cahuzac et al. (2007) and Stumpf and Kriwet (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1902 | Hexanchoidea Hay p. 300 |
| 1986 | Hexanchoidei Maisey p. 86 |
| 1987 | Hexanchoidea Kumar and Loyal p. 62 |
| 2007 | Hexanchoidei Cahuzac et al. p. 12 |
| 2019 | Hexanchoidei Stumpf and Kriwet p. 648 |
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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.
Subor. †Hexanchoidei Hay 1902
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Wagner 2023, Hendy et al. 2009 | |||||
Age range: base of the Spinatum to the top of the Late/Upper Kimmeridgian or 189.60000 to 150.80000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Spinatum | Germany (Mecklenburg-Vorpommern) | Notidanoides sp. (189042 206457) | |
| Late/Upper Callovian | Poland | Notidanoides sp. (117993) | |
| Middle Callovian | Poland | Notidanoides sp. (97035) | |
| Late/Upper Kimmeridgian | Germany (Baden-Württemberg) | Notidanoides muensteri, Notidanoides serratus (154138) |