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Megalaspidella

Trilobita - Asaphida - Asaphidae

Taxonomy
Megalaspidella was named by Kobayashi (1937) [Sepkoski's age data: O Aren-u Sepkoski's reference number: 378]. It is not extant.

It was assigned to Ogygiinae by Harrington and Leanza (1957); to Asaphida by Sepkoski (2002); and to Asaphidae by Jell and Adrain (2002).

Synonymy list
YearName and author
1937Megalaspidella Kobayashi
1957Megalaspidella Harrington and Leanza
2002Megalaspidella Jell and Adrain p. 403
2002Megalaspidella 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
genusMegalaspidellaKobayashi 1937

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: 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: deposit feedero
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: Aberhan et al. 2004, Hendy 2009, Hendy et al. 2009

Age range: base of the Blackhillsian to the top of the Arenigian or 478.60000 to 468.10000 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Tulean485.4 - 471.8USA (Montana) M. sp. (287)
Blackhillsian478.6 - 471.8USA (Nevada) M. sp. (104301)
Whitlandian478.6 - 471.8United Kingdom (Wales) M. murchisoniae (3713 3714 166753)
Arenigian478.6 - 468.1Argentina (Salta) M. kayseri (115738 115870)
Arenigian478.6 - 468.1Argentina (Jujuy) M. kayseri (115675)
Arenig478.6 - 466.0Argentina M. sp. (8777)
Arenig478.6 - 466.0Bolivia M. sp. (8843 8844 9109)
Arenig478.6 - 466.0China (LiaoNing) M. sp. (20756)
Arenig478.6 - 466.0China (GanSu) M. sp. (8577)
Fennian471.8 - 466.0France (Montagne Noire) M. sp. (20825)