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Megistaspis (Ekeraspis) heroides

Artiopoda - Asaphida - Asaphidae

Taxonomy
Megalaspis heroides was named by Brøgger (1882).

It was recombined as Plesiomegalaspis (Ekeraspis) heroides by Tjernvik (1956); it was recombined as Megistaspis (Ekeraspis) heroides by Hoel (1999).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1882Megalaspis heroides Brøgger
1956Plesiomegalaspis (Ekeraspis) heroides Tjernvik pp. 244 - 245 figs. PI. 8 , figs. 1 -4
1999Megistaspis (Ekeraspis) heroides Hoel p. 186 fig. 6

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
RankNameAuthor
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
subfamilyIsotelinaeAngelin 1854
genusMegistaspisJaanusson 1956
subgenusEkeraspisTjernvik 1956
speciesheroides(Brøgger 1882)

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.

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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: minorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-08 11:56:30
Modified: 2009-06-08 13:56:30
Source: g = genus, f = family, o = order, c = class
References: Aberhan et al. 2004, Hendy et al. 2009, Hendy 2009

Age range: Hunneberg or 482.90000 to 475.60000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Tremadocian - Floian486.85 - 471.3Norway (Oslo-Asker) Megistaspis heroides (190987)
Tremadocian - Floian486.85 - 471.3Norway (Eiker-Sandsvær) Megistaspis heroides (190881 190882 190887 190978)
Hunneberg482.9 - 475.6Sweden Plesiomegalaspis heroides (3194)