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Achatella truncatocaudata

Artiopoda - Phacopida - Pterygometopidae

Taxonomy
Phacops truncatocaudatus was named by Portlock (1843).

It was recombined as Truncatometopus truncatocaudatus by Pillet (1960); it was recombined as Achatella truncatocaudata by Romano and Owen (1993).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1843Phacops truncatocaudatus Portlock
1960Truncatometopus truncatocaudatus Pillet
1993Achatella truncatocaudata Romano and Owen p. 711 figs. 5A, F

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderPhacopinaStruve 1959
superfamilyPhacopoideaHupe 1953
familyPterygometopidaeReed 1905
subfamilyPterygometopinaeReed 1905
genusAchatellaDelo 1935
speciestruncatocaudata(Portlock 1843)

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.

Achatella truncatocaudata Portlock 1843
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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-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, Hendy 2009, Fortey and Owens 1999

Age range: base of the Caradoc to the top of the Hirnantian or 458.20000 to 443.10000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Caradoc458.2 - 449.5Ireland Achatella truncatocaudata (50599 50601)
Pusgillian - Cautleyan449.5 - 448.8United Kingdom (Northern Ireland) Phacops truncatocaudatus (171675)
Hirnantian445.2 - 443.1United Kingdom (Scotland) Achatella truncatocaudata (181875 181876)