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Strotactinus insularis

Trilobita - Phacopida - Pliomeridae

Amphion insularis was named by Billings (1865) [Billing's original holotype is missing; neotype assigned by Fortey 1979.]. Its type specimen is GSC 56884 (neotype), a pygidium, and it is a 3D body fossil.

It was recombined as Strotactinus insularis by Fortey (1979).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1865Amphion insularis Billings p. 290 fig. 291
1979Strotactinus insularis Fortey p. 108

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EubilateriaAx 1987
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyPliomeridaeRaymond 1913
genusStrotactinusBradley 1925
speciesinsularis(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.

Strotactinus insularis Billings 1865
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No diagnoses are available
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: well-developedf
Created: 2009-06-11 18:29:43
Modified: 2009-12-16 01:33:48
Source: f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: base of the Tulean to the top of the Blackhillsian or 480.80000 to 470.00000 Ma

Collections (11 total)

Time interval Ma Country or state Original ID and collection number
Cassinian482.3 - 470.0Canada (Newfoundland) Strotactinus insularis (195757 195758 195784)
Cassinian482.3 - 470.0Canada (Newfoundland and Labrador) Strotactinus insularis (103540 106241 133127 133140)
Tulean - Blackhillsian480.8 - 470.0Canada (Newfoundland) Strotactinus insularis (196380 196385)
Tulean - Blackhillsian480.8 - 470.0Canada (Newfoundland and Labrador) Strotactinus insularis (195776 196381)