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Disparida
Taxonomy
Disparida was named by Moore and Laudon (1943). It was considered monophyletic by Wright et al. (2017).
It was reranked as the order Disparida by Moore and Jeffords (1968), Frest et al. (1979), Ausich (1986), Webster and Lane (1987), Rozhnov (2016); it was reranked as the subclass Disparida by Donovan (1984), Donovan (1986), Donovan (1992), Ausich et al. (1998), Ausich (1998), Sepkoski (2002), Ausich et al. (2007), Ausich and Copper (2010), Webster and Webster (2012), Ausich et al. (2015); it was reranked as the subclass Disparida by Webster and Rakhmonov (2009), Webster et al. (2009); it was reranked as the superorder Disparida by Wright et al. (2017); it was reranked as the unranked clade Disparida by Ausich et al. (2018), Mao et al. (2018), Webster et al. (2025).
It was assigned to Crinoidea by Donovan (1992), Ausich et al. (1998), Ausich (1998), Sepkoski (2002), Ausich et al. (2007), Webster and Rakhmonov (2009), Webster et al. (2009), Ausich and Copper (2010), Webster and Webster (2012), Ausich et al. (2015); to Inadunata by Moore and Jeffords (1968), Frest et al. (1979), Donovan (1984), Donovan (1986), Ausich (1986), Webster and Lane (1987), Rozhnov (2016); and to Inadunata by Wright et al. (2017), Ausich et al. (2018), Mao et al. (2018), Webster et al. (2025).
It was reranked as the order Disparida by Moore and Jeffords (1968), Frest et al. (1979), Ausich (1986), Webster and Lane (1987), Rozhnov (2016); it was reranked as the subclass Disparida by Donovan (1984), Donovan (1986), Donovan (1992), Ausich et al. (1998), Ausich (1998), Sepkoski (2002), Ausich et al. (2007), Ausich and Copper (2010), Webster and Webster (2012), Ausich et al. (2015); it was reranked as the subclass Disparida by Webster and Rakhmonov (2009), Webster et al. (2009); it was reranked as the superorder Disparida by Wright et al. (2017); it was reranked as the unranked clade Disparida by Ausich et al. (2018), Mao et al. (2018), Webster et al. (2025).
It was assigned to Crinoidea by Donovan (1992), Ausich et al. (1998), Ausich (1998), Sepkoski (2002), Ausich et al. (2007), Webster and Rakhmonov (2009), Webster et al. (2009), Ausich and Copper (2010), Webster and Webster (2012), Ausich et al. (2015); to Inadunata by Moore and Jeffords (1968), Frest et al. (1979), Donovan (1984), Donovan (1986), Ausich (1986), Webster and Lane (1987), Rozhnov (2016); and to Inadunata by Wright et al. (2017), Ausich et al. (2018), Mao et al. (2018), Webster et al. (2025).
Subtaxa
Allagecrinacea, Allagecrinoidea, Alphacrinidae, Anomalocrinacea, Athenacrinidae, Aureocrinus, Belemnocrinoidea, Brutopisocrinus, Calceocrinacea, Calceocrinida, Changninocrinus, Cincinnaticrinacea, Claviculacrinus, Dulkumocrinidae, Eustenocrinida, Gongrocrinus, Heterocrinacea, Heterocrinidae, Heterocrinoidea, Homocrinacea, Homocrinida, Macnamaratylus, Maennilicrinida, Metabolocrinus, Myelodactylacea, Myelodactylida, Paradoxocrinidae, Pentameri, Perittocrinacea, Perritocrinus, Pisocrinacea, Pisocrinida, Pisocrinoidea, Regnellicrinus, Resetocrinus, Taucatillocrinus, Tetragonocrinida, Tornatilicrinidae, Trichocrinus, Xisoallogecrinus
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Disparida Moore and Jeffords p. 31 |
| 1979 | Disparida Frest et al. p. 406 |
| 1984 | Disparida Donovan |
| 1986 | Disparida Ausich p. 219 |
| 1986 | Disparida Donovan |
| 1987 | Disparida Webster and Lane p. 9 |
| 1992 | Disparida Donovan p. 123 |
| 1998 | Disparida Ausich p. 17 |
| 1998 | Disparida Ausich et al. |
| 2002 | Disparida Sepkoski |
| 2007 | Disparida Ausich et al. p. 1382 |
| 2009 | Disparida Webster and Rakhmonov p. 236 |
| 2009 | Disparida Webster et al. p. 245 |
| 2010 | Disparida Ausich and Copper p. 63 |
| 2012 | Disparida Webster and Webster |
| 2015 | Disparida Ausich et al. |
| 2016 | Disparida Rozhnov p. 169 |
| 2017 | Disparida Wright et al. |
| 2018 | Disparida Ausich et al. |
| 2018 | Disparida Mao et al. p. 1076 |
| 2025 | Disparida Webster et al. p. 653 |
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No classification data are available
No information on subtaxa.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. C. Moore and R. M. Jeffords 1968 | Dorsal cup typically composed of basals, radials, and anals, but including proximal brachials in some; arms non pin n u late. |
Measurements
No measurements are available
No ecological data are available
Collections (911 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Canadian | USA (Utah) | Pogocrinus antiquus (275410) | |
| Stairsian | USA (Utah) | Alphacrinus mansfieldi (201819) | |
| Stairsian - Blackhillsian | USA (California) | Inyocrinus strimplei (196122) | |
| Tulean | USA (Utah) | Hybocrinus sp. A (104072) | |
| Floian | Morocco | Iocrinus sp. (235490) Ramseyocrinus sp. (235491) | |
| Floian | Argentina | Ramseyocrinus argentinus (179575) | |
| Floian - Dapingian | China (Hubei) | Muicrinus dawanensis (195231) | |
| Arenig | United Kingdom (Wales) | Ramseyocrinus sp. (426) | |
| Whitlandian | United Kingdom (Wales) | Ramseyocrinus cambriensis (3713 3714 166753) | |
| Whitlandian | United Kingdom | Dendrocrinus cambriensis (166616 166617) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Sakmarian | Canada (British Columbia) | Synbathocrinus n. sp. (98045) | |
| Artinskian | Australia (New South Wales) | Notiocatillocrinus oakiensis (120621) | |
| Artinskian | Indonesia | Paracatillocrinus ellipticus, Paracatillocrinus granulatus (118268) | |
| Artinskian | Russian Federation | Allocatillocrinus rarus, Epihalysiocrinus tuberculatus (101531) Paracatillocrinus shamovi, Paracatillocrinus shakhtauensis (101534) Ufacrinus minutus (101527) Ufacrinus minutus, Kolvacrinus verae, Allocatillocrinus rarus, Epihalysiocrinus tuberculatus (101532) | |
| Artinskian | USA (Nevada) | Schedexocrinus sp. (74742) Schedexocrinus sp., Isoallagecrinus eaglei (90756) | |
| Kungurian | Australia (Queensland) | Catillocrinus nerimberae (101561) | |
| Kungurian | Oman | Paracatillocrinus granulatus (275572) Paracatillocrinus granulatus, Synbathocrinus shackletoni (275573) | |
| Roadian | Australia (New South Wales) | Taucatillocrinus cephalonus, Taucatillocrinus giganteus (37634) | |
| Roadian - Wordian | Thailand | Kallimorphocrinus sp., Kallimorphocrinus thaiensis (120587) | |
| Wordian | Italy | Metallagecrinus palermoensis (112952) | |