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

Illaenus (Parillaenus)

Trilobita - Corynexochida - Illaenidae

Synonymy list
YearName and author
1954Illaenus (Parillaenus) Jaanusson
1980Illaenus (Parillaenus) Owen and Bruton
2013Illaenus (Parillaenus) Fortey and Bruton

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
orderCorynexochida
familyIllaenidaeHawle and Corda 1847
genusIllaenusDalman 1827
subgenusParillaenusJaanusson 1954

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.

Subg. †Illaenus (Parillaenus) Jaanusson 1954
show all | hide all
†Illaenus (Parillaenus) primoticus Fortey and Bruton 2013
hide
Invalid names: Illaenus grandis Roemer 1861 [synonym], Illaenus vivax Holm 1882 [synonym]
†Illaenus (Parillaenus) yohi Zhou et al. 1984
hide
Invalid names: Illaenus holmi Sun 1931 [replaced]
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, Hendy et al. 2009, Harrington et al. 1959

Age range: base of the Tulean to the top of the Hirnantian or 480.80000 to 443.40000 Ma

Collections (26 total)


Time interval Ma Country or state Original ID and collection number
Tulean480.8 - 474.9Norway (Spitsbergen) Illaenus primoticus (189837)
Llandeilo461.1 - 458.4China (Guizhou) Illaenus yohi (188425)
Oandu453.0 - 451.8Norway (Asker) Illaenus fallax (163204)
Oandu453.0 - 451.8Norway Illaenus fallax (162531 162532 163187)
Katian453.0 - 445.2Sweden (Dalarna) Illaenus roemeri, Illaenus dalecarlicus (124939)
Katian - Hirnantian453.0 - 443.4Sweden (Dalarne) Illaenus roemeri, Illaenus dalecarlicus (73413)
Rakvere - Nabala451.8 - 449.9Norway Illaenus fallax (162533)
Nabala450.5 - 449.9Norway Illaenus fallax (162634)
Vormsi449.9 - 449.5Estonia (Lääne) Illaenus roemeri (195645 195646)
Pusgillian - Rawtheyan449.5 - 445.2Norway (Ringerike) Illaenus roemeri (163026)
Pusgillian - Rawtheyan449.5 - 445.2Norway Illaenus fallax (162229 162230) Illaenus roemeri (162223)
Pirgu - Hirnantian449.5 - 443.4Sweden (Dalarne) Illaenus roemeri (73408)
Cautleyan - Rawtheyan449.2 - 445.2Norway Illaenus roemeri (162222)
Cautleyan - Rawtheyan449.2 - 445.2United Kingdom (Wales) Illaenus sp. (8290 8291)
Rawtheyan448.8 - 445.2Norway Illaenus dalecarlicus (162228) Illaenus roemeri (159518)
Rawtheyan - Hirnantian448.8 - 443.4Norway Illaenus roemeri (162224 162225)
Hirnantian445.2 - 443.4Sweden (Dalarne) Illaenus roemeri (73410 73460)