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Pseudoasaphus

Trilobita - 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) and Jell and Adrain (2002).

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

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
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.

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: deposit feedero
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 Arenig to the top of the Longvillian or 478.60000 to 455.80000 Ma

Collections (36 total)


Time interval Ma Country or state Original ID and collection number
Tremadocian485.4 - 477.7Iran P. sp. (66865)
Arenig478.6 - 466.0China (Nei Mongol) P. sp. (8542)
Kunda468.1 - 463.5Estonia (Ida-Viru) P. globifrons (195556)
Kunda468.1 - 463.5Sweden P. sp. (188219)
Kunda468.1 - 463.5Estonia P. tecticaudatus (56202)
Early/Lower Llandeilo466.0 - 460.9Sweden P. sp. (2930 2939)
Early/Lower Llandeilo466.0 - 460.9Norway P. sp. (2950 2951)
Llanvirn466.0 - 460.9China (GanSu) P. sp. (8567)
Uhaku466.0 - 460.9Sweden (Dalarne) P. tecticaudatus (166338)
Aseri463.5 - 460.9Estonia P. tecticaudatus (56200 56201)
Aseri463.5 - 460.9Estonia (Lääne) P. tecticaudatus (195659 195660)
Lasnamagi463.5 - 460.9Sweden P. sp. (2933)
Lasnamagi463.5 - 460.9Sweden (Siljan) P. aciculatus (2943 192378)
Lasnamagi463.5 - 460.9Estonia P. tecticaudatus (56203 56205)
Lasnamagi463.5 - 460.9Sweden (Dalarna) P. aciculatus (192032 192033 192382)
Late/Upper Llanvirn463.5 - 460.9Sweden P. sp. (2929 2931 2942)
Costonian - Harnagian460.9 - 455.8Sweden P. sp. (2765)
Kukruse460.9 - 449.5Norway (Oslo-Asker) P. limatus (193506)
Kukruse460.9 - 449.5Norway (Ringerike) P. limatus (193507)
Kukruse460.9 - 449.5Norway (Asker) P. limatus (166922)
Kukruse460.9 - 449.5Norway P. limatus (166908 167113)
Kukruse460.9 - 449.5Norway (Oslo Asker) P. limatus (164145 166860)
Late/Upper Llandeilo460.9 - 449.5Norway P. sp. (3250)
Longvillian457.5 - 455.8China (ShanXi) P. sp. (7885)