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Plectasaphus

Trilobita - Asaphida - Asaphidae

Taxonomy
Plectasaphus was named by Jaanusson (1953) [Sepkoski's age data: O Llde]. It is not extant.

It was assigned to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).

Species
P. plicicostis

Synonymy list
YearName and author
1953Plectasaphus Jaanusson
2002Plectasaphus Jell and Adrain p. 427
2002Plectasaphus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
genusPlectasaphusJaanusson 1953

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. †Plectasaphus Jaanusson 1953
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†Plectasaphus plicicostis Törnquist 1884
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-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-11 14:38:06
Modified: 2009-12-14 00:45:08
Source: f = family, o = order, c = class
References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009

Age range: base of the Aseri to the top of the Uhaku or 463.50000 to 458.00000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Llandeilo466.0 - 460.9Sweden P. sp. (2938)
Aseri - Lasnamagi463.5 - 460.9Sweden (Siljan) P. plicicostis (166595)
Aseri - Lasnamagi463.5 - 460.9Sweden P. plicicostis (166376 166439 166444 166539 166593)
Aseri - Lasnamagi463.5 - 460.9Sweden (Dalarne) P. plicicostis (166368 166538)
Aseri - Lasnamagi463.5 - 460.9Sweden (Dalarna) P. plicicostis (166335)
Aseri - Lasnamagi463.5 - 460.9Sweden (Gotland) P. plicicostis (166540)
Aseri - Lasnamagi463.5 - 460.9Sweden (Kalmar) P. plicicostis (166441 166533)
Lasnamagi463.5 - 460.9Sweden (Dalarna) P. plicicostis (192380)
Late/Upper Llanvirn463.5 - 460.9Sweden P. sp. (2931)
Uhaku - Lasnamagi459.7 - 460.9Sweden (Siljan) P. plicicostis (192368)
Uhaku459.7 - 458.0Sweden (Dalarna) P. plicicostis (157358)