Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Bellefontia

Trilobita - Asaphida - Asaphidae

Taxonomy
Bellefontia was named by Walcott (1924) [Sepkoski's age data: O Trem-l]. It is not extant.

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

Species
B. acuminiferentis, B. chamberlaini, B. ibexensis
Species lacking formal opinion data
B. collieana

Synonymy list
YearName and author
1924Bellefontia Walcott
2002Bellefontia Jell and Adrain p. 348
2002Bellefontia Sepkoski

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
genusBellefontiaWalcott 1924

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. †Bellefontia Walcott 1924
show all | hide all
†Bellefontia ibexensis Hintze 1953
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: carnivorec
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: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009

Age range: base of the Tremadocian to the top of the Skullrockian or 485.40000 to 482.30000 Ma

Collections (40 total)


Time interval Ma Country or state Original ID and collection number
Skullrockian487.5 - 482.3USA (Utah) B. chamberlaini (104163 104164 104174 104176 104184 105777) B. ibexensis (104159 104160 104185) B. ibexensis, Xenostegium acuminiferentis (104173) B. sp. (104155 104167 104168 104175 104181 104183)
Skullrockian487.5 - 482.3Canada (Newfoundland) B. gyracantha (195680 195698)
Ibexian487.5 - 470.0USA (Nevada) B. sp. (104561)
Tremadoc486.5 - 477.7Canada (Alberta) B. nonius (11010 11011 11012 11014 11019 11020)
Tremadoc486.5 - 477.7USA (Montana) B. sp. (275)
Tremadoc486.5 - 477.7USA (Utah) B. sp. (276)
Gasconadian485.4 - 477.7USA (Nevada) B. sp. (104334 104645)
Gasconadian485.4 - 477.7USA (Utah) B. acuminiferentis (103786) B. acuminiferentis, B. chamberlaini (103913) B. sp. (103906)
Gasconadian485.4 - 477.7USA (California) B. sp. (104643)
Gasconadian485.4 - 477.7USA (Idaho) B. acuminiferentis, B. chamberlaini (103826 103827) B. sp. (103813)
Tremadocian485.4 - 477.7USA (New York) B. gyracantha (174036 174037 174042)
Canadian485.4 - 457.3USA (Maryland) B. sp. (274)