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Szeaspis

Trilobita - Ptychopariida - Proasaphiscidae

Taxonomy
Szeaspis was named by Chang (1959). It is not extant.

It was assigned to Proasaphiscidae by Jell and Adrain (2002).

Species
S. centronatus

Synonymy list
YearName and author
1959Szeaspis Chang
2002Szeaspis Jell and Adrain

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyProasaphiscidaeZhang 1963
genusSzeaspisChang 1959

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. †Szeaspis Chang 1959
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†Szeaspis centronatus Resser and Endo 1937
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: well-developedf
Created: 2010-01-02 08:50:15
Modified: 2010-01-02 10:50:15
Source: f = family, c = class
References: Whittington et al. 1997, Aberhan et al. 2004

Age range: Guzhangian or 500.50000 to 497.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Wangcunian504.5 - 497.0China (Hunan) S. huananensis (49274)
Guzhangian500.5 - 497.0China (Hunan) S. huananensis (128363)
Guzhangian500.5 - 497.0China (Henan) S. centronatus (127077)