PBDB Taxon

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

Bumastus (Bumastoides) milleri

Artiopoda - Corynexochida - Illaenidae

Taxonomy

Illaenus milleri was named by Billings (1859). It is the type species of Bumastus (Bumastoides).

It was recombined as Bumastus (Bumastoides) milleri by Whittington (1954).

Sister species lacking formal opinion data

Bumastoides betpakensis, Bumastoides porrectus, Bumastoides rivulus, Bumastoides scoticus, B. armatus, B. bouchardi, B. commodus, B. danielsi, B. hornyi, B. niagarense, B. phrix, B. sibiricus, B. sulcatus, B. xestos, B. tenuirugosus, B. bellmanni, B. transversalis, B. chicagoensis, B. springfieldensis, B. armata, B. armatus

Synonymy list

Year	Name and author
1859	Illaenus milleri Billings
1954	Bumastus (Bumastoides) milleri Whittington p. 138

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Gravenhorst 1843

Rank	Name	Author
class	Artiopoda	Hou and Bergstrom
class	Trilobita	Walch 1771
order	Corynexochida
family	Illaenidae	Hawle and Corda 1847
genus	Bumastus	()
subgenus	Bumastoides
species	milleri	(Billings 1859)

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.

†Bumastus (Bumastoides) milleri Billings 1859

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calcitec

Composition 2:

chitinc

Entire body:

yessubg

Adult length:

10 to < 100subg

Adult width:

10 to < 100subg

Spines:

nonesubg

Ontogeny:

molting, addition of partsc

Environment:

marinec

Locomotion:

actively mobileo

Life habit:

nektobenthico

Diet:

carnivoreo

Vision:

well-developedsubg

Created:

2009-06-09 11:40:54

Modified:

2009-12-14 08:25:50

Source: subg = subgenus, o = order, c = class

References: Harrington et al. 1959, Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Middle Ordovician to the top of the Chatfieldian or 471.30000 to 451.00000 Ma

Collections (13 total)

Time interval	Ma	Country or state	Original ID and collection number
Middle Ordovician	471.3 - 458.2	USA (New York)	Bumastoides milleri (23122)
Blackriveran	457.3 - 449.6	Canada (Ontario)	Bumastoides milleri (55999)
Blackriveran	457.3 - 449.6	USA (Oklahoma)	Bumastoides milleri (23892)
Blackriveran	457.3 - 449.6	USA (Iowa/Wisconsin)	Bumastoides milleri (23119 23120 23121)
Blackriveran	457.3 - 449.6	USA (Illinois, Iowa)	Bumastoides milleri (23789 23790 23791 23792 23794)
Blackriveran - Rocklandian	457.3 - 449.6	USA (Minnesota)	Bumastoides milleri (23276)
Chatfieldian	453.8 - 451.0	Canada (Ontario)	Bumastoides milleri (26263)