PBDB Taxon

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

Bearriverops

Trilobita - Proetida - Dimeropygidae

Taxonomy

Bearriverops was named by Adrain and Westrop (2007). Its type is Bearriverops loganensis.

It was assigned to Dimeropygidae by Adrain and Westrop (2007).

Species

B. alsacharovi, B. borderinnensis, B. deltaensis, B. ibexensis, B. loganensis (type species)

Synonymy list

Year	Name and author
2007	Bearriverops Adrain and Westrop p. 346

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa
—	Panarthropoda

Rank	Name	Author
phylum	Arthropoda	Latreille 1829
subphylum	Artiopoda	(Hou and Bergstrom)
class	Trilobita	Walch 1771
order	Proetida	Fortey and Owens 1975
family	Dimeropygidae	Hupe 1953
genus	Bearriverops

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. †Bearriverops Adrain and Westrop 2007

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†Bearriverops alsacharovi Adrain and Westrop 2007

†Bearriverops borderinnensis Adrain and Westrop 2007

†Bearriverops deltaensis Adrain and Westrop 2007

†Bearriverops ibexensis Adrain and Westrop 2007

†Bearriverops loganensis Adrain and Westrop 2007

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:

2010-02-06 03:21:36

Modified:

2010-02-06 05:21:36

Source: f = family, o = order, c = class

References: Aberhan et al. 2004, Fortey and Owens 1999, Alvarez et al. 2008

Age range: Stairsian or 485.40000 to 478.60000 Ma

Collections (11 total)

Time interval	Ma	Country or state	Original ID and collection number
Stairsian	485.4 - 478.6	USA (Idaho)	B. alsacharovi (106424) B. loganensis (106387 106390 106426 106427) B. sp. A (106425) Hystricurus sp. C (103809)
Stairsian	485.4 - 478.6	USA (Utah)	B. alsacharovi (106428) B. alsacharovi, B. ibexensis (106398) B. deltaensis, B. ibexensis (106429) B. loganensis, B. borderinnensis (106430)