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Tesselacauda depressa

Artiopoda - Phacopida - Cheiruridae

Taxonomy
Tesselacauda depressa was named by Ross (1951) [Paratypes: YPM 18276-7, 18279-82]. Its type specimen is YPM 18278, a pygidium, and it is a 3D body fossil. Its type locality is Locality 5, Hillyard's Canyon, Zone "E", which is in a Stairsian shallow subtidal limestone in the Garden City Formation of Idaho. It is the type species of Tesselacauda.

Sister species lacking formal opinion data
T. flabella

Synonymy list
YearName and author
1951Tesselacauda depressa Ross p. 130 figs. Pl. 31, fig. 28

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilyPilekiinae(Sdzuy 1955)
genusTesselacauda
speciesdepressa

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.

†Tesselacauda depressa Ross 1951
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoref
Vision: well-developedf
Created: 2009-12-15 23:31:45
Modified: 2009-12-16 01:31:45
Source: f = family, c = class
References: Aberhan et al. 2004, Whittington et al. 1997, Hendy 2009

Age range: base of the Stairsian to the top of the Tremadoc or 483.40000 to 477.10000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Tremadoc486.4 - 477.1Canada (Alberta) Tesselacauda depressa (10994)
Stairsian483.4 - 481.7USA (Idaho) Tesselacauda depressa (type locality: 103809)
Stairsian483.4 - 481.7USA (Utah) Tesselacauda depressa (192724 192725)
Stairsian483.4 - 481.7Canada (Newfoundland) Tesselacauda depressa (196501)
Tulean481.7 - 475.3USA (Utah) Tesselacauda depressa (104075 104076 104077)