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Ascothoracida

Thecostraca

Taxonomy
Ascothoracica was named by Lacaze-Duthiers (1880). It is extant.

It was corrected as Ascothoracida by Martin and Davis (2001) and Hegna et al. (2020); it was reranked as the subclass Ascothoracida by Chan et al. (2021).

It was assigned to Cirripedia by Newman et al. (1969); to Thecostraca by Martin and Davis (2001); and to Thecostraca by Hegna et al. (2020) and Chan et al. (2021).

Sister taxa
Dendrogastrida, Laurida

Synonymy list
YearName and author
1880Ascothoracica Lacaze-Duthiers
1969Ascothoracica Newman et al. p. 273
2001Ascothoracida Martin and Davis p. 58
2020Ascothoracida Hegna et al. p. 37
2021Ascothoracida Chan et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
Deuteropoda
Mandibulata
PancrustaceaZrzavý and Štys 1997
subphylumCrustaceaBrünnich 1772
classThecostraca(Gruvel 1905)
subclassAscothoracida(Lacaze-Duthiers 1880)
subclassAscothoracida(Lacaze-Duthiers 1880)

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.

Subcl. Ascothoracida Lacaze-Duthiers 1880
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Or. Dendrogastrida Grygier 1987
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Fm. Dendrogastridae Gruvel 1905
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G. Dendrogaster Knipowitsch 1891
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Dendrogaster astericola Knipowitsch 1891
G. Myriocladus Okada 1925
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G. Ulophysema Brattstrom 1936
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Ulophysema oresundense Brattstrom 1936
G. †Endosacculus Voigt 1959
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Invalid names: Endosacculus Voigt 1959 [objective synonym]
Or. Laurida Grygier 1987
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Fm. Lauridae Gruvel 1905
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G. Baccalaureus Broch 1929
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G. Gorganolaureus Utinomi 1962
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G. Laura Lacaze-Duthiers 1866
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Laura gerardiae Lacaze-Duthiers 1866
Fm. Petrarcidae Guvel 1905
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G. Petrarca Fowler 1889
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Fm. Synagogidae Gruvel 1905
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G. Ascothorax Djakanov 1914
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Ascothorax ophioctenis Djakanov 1914
G. Parasothorax Wagin 1964
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G. Synagoga Norman 1887
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Synagoga mira Norman 1887
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Locomotion: actively mobilep
Created: 2004-02-29 09:38:49
Modified: 2004-02-29 11:38:49
Source: p = phylum
Reference: Kiessling 2004

Age range

Maximum range based only on fossils: Turonian or 93.90000 to 89.80000 Ma
Minimum age of oldest fossil (stem group age): 89.8 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Turonian93.9 - 89.8Denmark Ulophysema sp. (160518)