PBDB Taxon

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

Illaenus consimilis

Artiopoda - Corynexochida - Illaenidae

Taxonomy

Illaenus consimilis was named by Billings (1865) [Lectotype selected by Whittington 1965]. Its type specimen is GSC 663 (lectotype), a cephalon/head (cranidium), and it is a 3D body fossil.

Sister species lacking formal opinion data

I. ariensis, I. atavus, I. baffinlandicus, I. chiron, I. chudleighensis, I. convergens, I. dalmani, I. esmarcki, I. excellens, I. exstans, I. groenlandicus, I. hinomotoensis, I. incisus, I. intermedius, I. jewensis, I. kayi, I. kuckersiana, I. ladogiensis, I. lusitanicus, I. martineauensis, I. mascei, I. memorabilis, I. peachi, I. punctatus, I. rectus, I. renhuaiensis, I. richardsoni, I. sarsi, I. schmidti, I. schroeteri, I. sinuatus, I. sphaericus, I. sulcifrons, I. tauricornis, I. transmotus, I. transversus, I. weaveri

Synonymy list

Year	Name and author
1865	Illaenus consimilis Billings p. 277 figs. 263a, c
1925	Illaenus consimilis Raymond p. 105

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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	Illaenus	Dalman 1827
species	consimilis	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.

†Illaenus consimilis Billings 1865

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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:

noneg

Ontogeny:

molting, addition of partsc

Environment:

marinec

Locomotion:

actively mobileo

Life habit:

nektobenthico

Diet:

carnivoreo

Vision:

well-developedg

Created:

2009-06-09 11:45:35

Modified:

2009-12-14 08:27:47

Source: g = genus, o = order, c = class

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

Age range: Whiterockian or 471.30000 to 457.30000 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Chazyan	471.3 - 457.3	Canada (Newfoundland and Labrador)	Illaenus consimilis (104805 104807 104861)
Whiterockian	471.3 - 457.3	Canada (Newfoundland and Labrador)	Illaenus consimilis (104813 104817 104862)