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Shumardia alata

Trilobita - Ptychopariida - Shumardiidae

Taxonomy
Shumardia alata was named by Robison and Pantoja-Alor (1968). Its type specimen is USNM 158934, a pygidium, and it is not a trace fossil.

Sister species lacking formal opinion data
S. pentagonalis

Synonymy list
YearName and author
1968Shumardia alata Robison and Pantoja-Alor p. 797

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyShumardiidaeLake 1907
genusShumardiaBillings 1862
speciesalata

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.

†Shumardia alata Robison and Pantoja-Alor 1968
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: blindf
Created: 2009-12-19 04:33:59
Modified: 2009-12-19 06:33:59
Source: f = family, c = class
References: Aberhan et al. 2004, Whittington et al. 1997

Age range: base of the Tremadoc to the top of the Tremadocian or 486.50000 to 477.70000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Furongian497.0 - 485.4United Kingdom Shumardia alata (229481 229505 229508 229509 229513 229514)
Tremadoc486.5 - 477.7Mexico (Oaxaca) Shumardia alata (9827 9839 9841 9842 9847 9849 9851)
Tremadocian485.4 - 477.7United Kingdom Shumardia alata (229516 229518 229519 229521)