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Dactylocephalus

Trilobita - Asaphida - Hungaiidae

Taxonomy
Dactylocephalus was named by Hsu (1948) [Sepkoski's age data: O Trem-l Sepkoski's reference number: 927].

It was assigned to Asaphida by Sepkoski (2002); and to Hungaiidae by Jell and Adrain (2002).

Species lacking formal opinion data
D. latus

Synonymy list
YearName and author
1948Dactylocephalus Hsu
2002Dactylocephalus Jell and Adrain p. 363
2002Dactylocephalus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
familyHungaiidaeRaymond 1924
genusDactylocephalusHsu 1948

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.

G. †Dactylocephalus Hsu 1948
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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: majorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Comments: BODY SIZE: Data from Harrington et al. (1959).g
Created: 2009-06-08 12:20:02
Modified: 2009-06-08 14:20:02
Source: g = genus, f = family, o = order, c = class
References: Whittington et al. 1997, Hendy 2009, Hendy et al. 2009, Aberhan et al. 2004

Age range: base of the Tremadocian to the top of the Bendigonian or 485.40000 to 473.10000 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Tremadoc486.5 - 477.7China (Hunan and Hubei) D. sp. (7720)
Tremadoc486.5 - 477.7China D. latus (66805 66806 66807 66808 66820 66821 66822 66823 66826)
Tremadoc486.5 - 477.7China (Guizhou) D. sp. (4773 5279 7387)
Tremadoc486.5 - 477.7China (Sichuan) D. sp. (7664)
Tremadoc486.5 - 477.7Iran D. mehriae (116496 185918)
Tremadoc486.5 - 477.7China (JiangSu) D. sp. (7880 7921)
Tremadoc486.5 - 477.7China (Hubei) D. sp. (4737 4738 7729)
Tremadocian485.4 - 477.7Iran D. latus (66870 66871)
Tremadocian - Floian485.4 - 470.0Iran D. latus (66868)
Bendigonian474.9 - 473.1Australia (Western Australia) D. sp. (157183)