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Achatella (Achatella)

Trilobita - Phacopida - Pterygometopidae

Achatella (Achatella) was named by Delo (1935).

It was assigned to Achatella by Delo (1935).

Synonymy list
YearName and author
1935Achatella (Achatella) Delo

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EubilateriaAx 1987
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderPhacopinaStruve 1959
superfamilyPhacopoideaHupe 1953
familyPterygometopidaeReed 1905
subfamilyPterygometopinaeReed 1905
genusAchatellaDelo 1935
subgenusAchatellaDelo 1935

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.

Subg. †Achatella (Achatella) Delo 1935
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No diagnoses are available
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-movingc
Life habit: low-level epifaunalc
Diet: carnivoresubo
Vision: well-developedf
Created: 2009-06-10 09:12:29
Modified: 2009-06-10 11:12:29
Source: g = genus, f = family, subo = suborder, c = class
References: Aberhan et al. 2004, Fortey and Owens 1999, Hendy 2009

Age range: base of the Cheneyan to the top of the Caradoc or 452.50000 to 449.50000 Ma

Collections (5 total)

Time interval Ma Country or state Original ID and collection number
Caradoc458.4 - 449.5United Kingdom (Scotland) Achatella consobrina (188938)
Cheneyan452.5 - 451.3United Kingdom (Scotland) Achatella consobrina (169254)
Edenian - Richmondian451.0 - 445.5Canada (Quebec) Achatella clivosa (223275)
Richmondian449.6 - 445.5Canada (Quebec) Achatella clivosa (223276)
Richmondian - Gamachian449.6 - 443.7Canada (Quebec) Achatella sp. (37790)