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Bolbocephalus convexus

Trilobita - Proetida - Bathyuridae

Taxonomy
Dolichometopus convexus was named by Billings (1865). Its type specimen is GSC 718, a pygidium, and it is a 3D body fossil.

It was recombined as Bolbocephalus convexus by Fortey (1979) and Fortey and Bruton (2013).

Synonyms
Synonymy list
YearName and author
1937Bolbocephalus groenlandicus Poulsen
1979Bolbocephalus convexus Fortey p. 78 figs. Pl. 26, fig. 8
2013Bolbocephalus convexus Fortey and Bruton

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
familyBathyuridaeWalcott 1886
subfamilyBathyurinaeWalcott 1886
genusBolbocephalusWhitfield 1890
speciesconvexus(Billings 1865)

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.

Bolbocephalus convexus Billings 1865
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Invalid names: Bolbocephalus groenlandicus Poulsen 1937 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: deposit feedero
Vision: well-developedf
Created: 2009-12-19 02:31:34
Modified: 2009-12-19 04:31:34
Source: f = family, o = order, c = class
References: Fortey and Owens 1999, Whittington et al. 1997, Aberhan et al. 2004

Age range: base of the Floian to the top of the Blackhillsian or 477.70000 to 470.00000 Ma

Collections (50 total)


Time interval Ma Country or state Original ID and collection number
Skullrockian - Tulean487.5 - 474.9Canada (Newfoundland) Bolbocephalus convexus (195781)
Ibexian487.5 - 470.0Canada (Quebec) Bolbocephalus convexus (111453)
Jeffersonian485.4 - 470.0Canada (Newfoundland and Labrador) Bolbocephalus convexus (106225 106226 106228 106229 106230 106231 106232 106233 106234 106236 133147)
Jeffersonian485.4 - 470.0Canada (Newfoundland) Bolbocephalus convexus (195756 195774 195785)
Canadian485.4 - 457.3Canada (Newfoundland and Labrador) Bolbocephalus convexus (196382)
Cassinian482.3 - 470.0Canada (Quebec) Bolbocephalus convexus (50065)
Cassinian482.3 - 470.0Canada (Newfoundland) Bolbocephalus convexus (195757 195758 195782 195783)
Cassinian482.3 - 470.0USA (Oklahoma) Bolbocephalus convexus (106755 106763 106949)
Cassinian482.3 - 470.0Canada (Newfoundland and Labrador) Bolbocephalus convexus (69196 103540 106237 106238 106239 106241 133128)
Tulean480.8 - 474.9Canada (Newfoundland) Bolbocephalus convexus (195769)
Tulean480.8 - 474.9Canada (Newfoundland and Labrador) Bolbocephalus convexus (195775)
Tulean480.8 - 474.9Norway (Spitsbergen) Bolbocephalus convexus (189837)
Tulean - Blackhillsian480.8 - 470.0Canada (Newfoundland and Labrador) Bolbocephalus convexus (195772 195776 196381 196383 196503)
Tulean - Blackhillsian480.8 - 470.0Canada (Newfoundland) Bolbocephalus convexus (195770 195779 196380 196385)
Arenig478.6 - 466.0Greenland Bolbocephalus groenlandicus (122088 122116)
Floian477.7 - 470.0Canada (Ontario) Bolbocephalus convexus (173861)
Floian477.7 - 470.0Canada (Newfoundland) Bolbocephalus convexus (195746 195748)
Blackhillsian474.9 - 470.0Norway (Spitsbergen) Bolbocephalus convexus (189838)