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Euryalidae

Ophiuroidea - Euryalida - Euryalidae

Taxonomy
Euryalidae was named by Gray (1840). It is extant. Its type is Euryale.

It was assigned to Euryalina by Spencer and Wright (1966); and to Euryalida by Smith et al. (1995), Jagt (2000), O'Hara et al. (2017) and O'Hara et al. (2018).

Subtaxa
Euryale (type genus), Trichaster

Synonymy list
YearName and author
1840Euryalidae Gray
1966Euryalidae Spencer and Wright p. U91
1995Euryalidae Smith et al.
2000Euryalidae Jagt p. 8
2017Euryalidae O'Hara et al.
2018Euryalidae O'Hara et al. p. 7

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Asterozoa()
RankNameAuthor
classOphiuroidea
suborderMyophiurina()
infraclassMetophiuridaMatsumoto 1913
superorderEuryophiurida
orderEuryalida
familyEuryalidae
familyEuryalidae

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.

Fm. Euryalidae Gray 1840
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G. Euryale Oken 1815
G. Trichaster Agassiz 1836
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†Trichaster ornatus Rasmussen 1950
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Invalid names: Asteronyx granulosus Müller 1950 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinec
Locomotion: slow-movingc
Life habit: low-level epifaunalc
Diet: detritivorec
Diet 2: suspension feederc
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-29 11:30:09
Modified: 2010-02-12 01:58:57
Source: c = class, p = phylum
References: Aberhan 1992, Aberhan et al. 2004

Age range

Maximum range based only on fossils: base of the Late/Upper Campanian to the top of the Langhian or 83.50000 to 13.82000 Ma
Minimum age of oldest fossil (stem group age): 70.6 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6Belgium (Liege) Trichaster sp., Trichaster ornatus (32147)
Early/Lower Maastrichtian70.6 - 66.0Belgium (Liege) Trichaster ornatus (32148 32158)
Early/Lower Maastrichtian70.6 - 66.0Germany (Mecklenburg-Vorpommern) Trichaster sp., Trichaster ornatus (32022)
Early/Lower Maastrichtian - Maastrichtian70.6 - 66.0Denmark Trichaster sp., Trichaster ornatus (32023)
Late/Upper Maastrichtian70.6 - 66.0Belgium (Liege) Trichaster ornatus (32156 32157)
Late/Upper Maastrichtian70.6 - 66.0Netherlands (Limburg) Trichaster ornatus (32167)
Late/Upper Maastrichtian70.6 - 66.0Netherlands Trichaster ornatus (32161)
Late/Upper Maastrichtian - Maastrichtian70.6 - 66.0Netherlands Trichaster ornatus (32162)
Late/Upper Maastrichtian - Danian70.6 - 61.6Netherlands Trichaster sp., Trichaster ornatus (32160)
Late/Upper Maastrichtian - Danian70.6 - 61.6Netherlands (Limburg) Trichaster ornatus (32169)
Late/Upper Maastrichtian - Danian70.6 - 61.6Poland Asteronyx ornatus (64008)
Langhian15.97 - 13.82Malta (Island of Gozo) Euryalidae indet. (47990)