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Pseudoasaphus

Artiopoda - Asaphida - Asaphidae

Taxonomy
Pseudoasaphus was named by Schmidt (1901) [Sepkoski's age data: O Llvi O Cara-l]. It is not extant. Its type is Ptychopyge globifrons.

It was assigned to Asaphinae by Henningsmoen (1960); to Asaphida by Sepkoski (2002); and to Asaphidae by Jaanusson (1953), Jell and Adrain (2002).

Species
P. globifrons, P. limatus
Species lacking formal opinion data
P. tecticaudatus, P. tecticaudatus
Entered
by J. Sepkoski on 2003-01-23; modified by B. Kröger on 2018-05-23

Synonymy list
YearName and author
1901Pseudoasaphus Schmidt
1953Pseudasaphus Jaanusson
1960Pseudoasaphus Henningsmoen
2002Pseudoasaphus Jell and Adrain p. 433
2002Pseudoasaphus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
genusPseudoasaphusSchmidt 1901

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. †Pseudoasaphus Schmidt 1901
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†Pseudoasaphus globifrons Eischwald 1857
†Pseudoasaphus limatus Jaanusson 1953
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: 10 to < 100g
Spines: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Comments: BODY SIZE: Data from Harrington et al. (1959).g
Created: 2009-06-08 11:46:42
Modified: 2009-06-08 13:46:42
Source: g = genus, f = family, o = order, c = class
References: Aberhan et al. 2004, Hendy 2009, Hendy et al. 2009

Age range: base of the Kunda to the top of the Kukruse or 469.10000 to 456.80000 Ma

Collections (23 total)


Time interval Ma Country or state Original ID and collection number
Arenig477.1 - 468.0China (Nei Mongol) P. sp. (8542)
Darriwilian469.4 - 458.2Iran P. sp. (66865)
Kunda469.1 - 464.3Sweden P. sp. (188219)
Kunda469.1 - 464.3Estonia (Ida-Viru) P. globifrons (195556)
Llanvirn468.0 - 458.2China (GanSu) P. sp. (8567)
Lasnamagi461.4 - 459.7Sweden P. sp. (2933)
Early/Lower Llandeilo461.1 - 458.2Norway P. sp. (2950 2951)
Early/Lower Llandeilo461.1 - 458.2Sweden P. sp. (2930 2939)
Late/Upper Llandeilo461.1 - 458.2Norway P. sp. (3250)
Late/Upper Llanvirn461.1 - 458.2Sweden P. sp. (2929 2931 2942)
Costonian - Harnagian458.2 - 457.2Sweden P. sp. (2765)
Kukruse458.0 - 456.8Norway (Asker) P. limatus (166922)
Kukruse458.0 - 456.8Norway (Ringerike) P. limatus (193507)
Kukruse458.0 - 456.8Norway (Oslo-Asker) P. limatus (193506)
Kukruse458.0 - 456.8Norway P. limatus (166908 167113)
Kukruse458.0 - 456.8Norway (Oslo Asker) P. limatus (164145 166860)
Longvillian457.2 - 455.0China (ShanXi) P. sp. (7885)