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Porterfieldia fischeri

Artiopoda - Olenida - Olenidae

Taxonomy
Triarthrus fischeri was named by Billings (1865) [Lectotype selected by Whittington 1965. Paralectotypes: GSC 678a, b, c-i]. Its type specimen is GSC 678c (lectotype), a cephalon/head (cranidium), and it is a 3D body fossil.

It was recombined as Porterfieldia fischeri by Ludvigsen and Tuffnell (1983).

Synonymy list
YearName and author
1865Triarthrus fischeri Billings p. 291
1925Triarthrus fischeri Raymond pp. 51 - 52
1983Porterfieldia fischeri Ludvigsen and Tuffnell p. 573

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
orderOlenida
familyOlenidaeBurmeister 1843
subfamilyOleninaeBurmeister 1843
genusPorterfieldia
speciesfischeri(Billings 1865)

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.

Porterfieldia fischeri Billings 1865
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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: carnivorec
Vision: blindg
Created: 2010-01-03 04:54:55
Modified: 2010-01-03 06:54:55
Source: g = genus, f = family, c = class
References: Hendy 2009, Whittington et al. 1997, Aberhan et al. 2004

Age range: Whiterockian or 471.30000 to 457.30000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Chazyan471.3 - 457.3Canada (Newfoundland and Labrador) Triarthrus fischeri (104807 104861)
Whiterockian471.3 - 457.3Canada (Newfoundland and Labrador) Triarthrus fischeri (104809 104810 104811 104813 104817 104855 104856 104862 104867 104868) Triarthrus fisheri (104857 104864)