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Physemataspis torulatus

Trilobita - Phacopida - Encrinuridae

Taxonomy
Encrinuroides torulatus was named by Evitt and Tripp (1977). Its type specimen is USNM 217490, a cephalon/head (cranidium), and it is a 3D body fossil.

It was recombined as Frencrinuroides torulatus by Edgecombe et al. (1998); it was recombined as Physemataspis torulatus by Moss and Westrop (2014).

Synonymy list
YearName and author
1977Encrinuroides torulatus Evitt and Tripp
1990Encrinuroides torulatus Edgecombe and Chatterton pp. 823, Table 1
1998Frencrinuroides torulatus Edgecombe et al. pp. Table 1
2014Physemataspis torulatus Moss and Westrop pp. 1113, table 1

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyEncrinuridaeAngelin 1854
subfamilyEncrinurinaeAngelin 1854
genusPhysemataspis
speciestorulatus()

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.

Physemataspis torulatus Evitt and Tripp 1977
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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
Created: 2009-06-11 14:51:52
Modified: 2009-06-11 16:52:10
Source: f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: Ashbyan or 457.30000 to 449.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Ashbyan457.3 - 449.6USA (Virginia) Encrinuroides torulatus (105245)