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Licnocephala

Artiopoda - Proetida - Bathyuridae

Taxonomy
Licnocephala was named by Ross (1951) [Sepkoski's age data: O Trem-u Sepkoski's reference number: 795]. Its type is Licnocephala bicornuta.

It was assigned to Bathyuridae by Jell and Adrain (2002); to Proetida by Sepkoski (2002); and to Bathyurellinae by Fortey and Bruton (2013).

Synonymy list
YearName and author
1951Licnocephala Ross p. 109
2002Licnocephala Jell and Adrain p. 398
2002Lichnocephala Sepkoski
2013Licnocephala Fortey and Bruton

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
familyBathyuridaeWalcott 1886
subfamilyBathyurellinaeHupe 1953
genusLicnocephala

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.

G. †Licnocephala Ross 1951
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†Licnocephala brevicauda Poulsen 1937
†Licnocephala cavigladius Hintze 1953
†Licnocephala ovata Ross 1953
†Licnocephala sanddoelaensis Adrain and Westrop 2005
†Licnocephala sminue Fortey and Peel 1990
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: deposit feedero
Vision: well-developedf
Created: 2009-12-19 02:31:34
Modified: 2009-12-19 04:31:34
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Fortey and Owens 1999, Whittington et al. 1997

Age range: base of the Stairsian to the top of the Blackhillsian or 483.40000 to 471.30000 Ma

Collections (35 total)


Time interval Ma Country or state Original ID and collection number
Ibexian488.9 - 471.3USA (Nevada) L. sp. (104563)
Tremadocian486.85 - 477.1Greenland L. sminue (181518)
Stairsian483.4 - 481.7USA (Utah) L. sp. (104110)
Cassinian483.4 - 471.3Greenland Niobe brevicauda (122083)
Tulean481.7 - 475.3Canada (Nunavut) L. n. sp. A, L. sanddoelaensis (173915) L. sanddoelaensis (173916 173917)
Tulean481.7 - 475.3USA (Utah) L. bicornuta (104083) L. cavigladius (104099 104103 104104 104105 104115)
Tulean481.7 - 475.3Norway (Spitsbergen) L. sp. (189832 189836) L. sp., L. brevicauda (189837)
Tulean481.7 - 475.3USA (Montana) Lichnocephala sp. (287) L. sp. A (174361)
Tulean481.7 - 475.3USA (Idaho) L. bicornuta (103803) L. cavigladius, L. ovata (105094) L. ovata (105091) L. sp. (228266 228268) L. sp. 1 (228282) L. sp. 3, L. bicornuta (228285 228298) L. sp. 5 (228300) L. sp. A (228299) L. sp., L. bicornuta (103805 103820)
Arenig477.1 - 468.0USA (North Dakota) Lichnocephala sp. (429)
Arenig477.1 - 468.0Greenland Niobe brevicauda (122081)
Blackhillsian475.3 - 471.3Norway (Spitsbergen) L. brevicauda (189838)
Blackhillsian475.3 - 471.3USA (Nevada) L. cavigladius (104568) L. sp. (104354)