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Mexicella stator

Trilobita - Ptychopariida

Taxonomy
Agraulos stator was named by Walcott (1916). Its type specimen is USNM 61729 and is a 3D body fossil.

It was recombined as Alokistocare stator by Resser (1935); it was recombined as Mexicella stator by Lochman (1948), Rasetti (1951) and Sundberg (2004).

Synonymy list
YearName and author
1916Agraulos stator Walcott p. 173 figs. pi. 36, fig. 6
1917Agraulos stator Walcott p. 28 figs. pi. 6, fig. 6
1935Alokistocare stator Resser p. 9
1948Mexicella stator Lochman p. 457
1951Mexicella stator Rasetti pp. 231 - 232 figs. Plate 20, figures 14-19
2004Mexicella stator Sundberg pp. Appendix 2

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
suborderPtychopariinaRichter 1933
superfamilyPtychopariaceaMatthew 1887
genusMexicella
speciesstator(Walcott 1916)

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.

Mexicella stator Walcott 1916
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 1.0 to < 10g
Ribbing: noneg
Spines: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: deposit feedersubo
Created: 2009-02-26 11:48:07
Modified: 2009-02-26 13:48:07
Source: g = genus, subo = suborder, c = class
References: Hendy 2009, Aberhan et al. 2004, Fortey and Owens 1999

Age range: base of the St Davids to the top of the Delamaran or 509.00000 to 506.50000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Delamaran511.2 - 506.5Canada (Alberta) Mexicella stator (225276 225277)
Solvan510.2 - 504.5USA (Nevada) Mexicella stator (9424 9426 9429 9430 9432 9434 9452 9469)
St Davids509.0 - 497.0USA (Vermont) Mexicella stator (78913)