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Mexicella

Trilobita - Ptychopariida

Synonymy list
YearName and author
1948Mexicella Lochman pp. 456 - 457
1979Mexicella Palmer and Halley pp. 108 - 109
1998Mexicella Eddy and McCollum p. 879
2000Mexicella Sundberg and McCollum p. 622
2002Mexicella Jell and Adrain p. 406
2002Mexicella Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
suborderPtychopariinaRichter 1933
superfamilyPtychopariaceaMatthew 1887
genusMexicella

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.

G. †Mexicella Lochman 1948
show all | hide all
†Mexicella antelopea Sundberg and McCollum 2000
†Mexicella grandoculus Palmer and Halley 1979
†Mexicella granulata Eddy and McCollum 1998
†Mexicella mexicana Lochman 1948
†Mexicella obscurus Palmer and Halley 1979
†Mexicella robusta Sundberg and McCollum 2000
†Mexicella stator Walcott 1916
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: Fortey and Owens 1999, Aberhan et al. 2004, Hendy 2009

Age range: base of the St Davids to the top of the Merioneth or 506.50000 to 486.85000 Ma

Collections (85 total)


Time interval Ma Country or state Original ID and collection number
Cambrian538.8 - 486.85Argentina (San Juan) M. mexicana (200106)
Delamaran509.7 - 505.3USA (California) M. grandoculus (149619 149641 149644) M. mexicana (149643 149652 149653) M. n. sp., M. mexicana (226840) M. robusta (69498) M. stator (149615) Syspacephalus obscurus (149618 149640)
Delamaran509.7 - 505.3USA (Nevada and California) M. sp. (201)
Delamaran509.7 - 505.3USA (Nevada) M. grandoculus (149606) M. granulata (9412) M. mexicana (9411 9435) M. robusta (69456)
Delamaran509.7 - 505.3Canada (Alberta) M. stator (225276 225277)
Delamaran - Menevian509.7 - 499.5Mexico M. mexicana (10687)
Solvan508.2 - 504.5USA (Nevada) M. antelopea (9245 9249) M. granulata (9413 9414 9420 9440 9441 9453 9454 9455 9459 9465 9466 9467 9468 9474) M. mexicana (9416 9421 9423 9425 9433 9438 9442 9443 9444 9445 9446 9447 9448 9449 9450 9451 9456 9457 9460 9461 9462 9472 9473) M. mexicana, M. stator (9424 9429 9430 9432 9469) M. mexicana, M. stator, M. granulata (9452) M. robusta (9218 9219 9234 9235 9236 9242 9251 9261) M. stator (9426 9434)
St Davids506.5 - 497.0USA (Nevada) M. mexicana (50102 50103 50298) M. robusta (50093 50109 50329 50332)
St Davids506.5 - 497.0USA (Vermont) M. stator (78913)
Merioneth497.0 - 486.85Canada (British Columbia) M. sp. (199)