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Parillaenus roemeri

Trilobita - Corynexochida - Illaenidae

Taxonomy
Illaenus roemeri was named by Murchison (1839) [Lectotype designated by Holloway (2021).]. Its type specimen is AMNH 42657 and is a 3D body fossil.

It was corrected as Illaenus roemeri by Warburg (1925); it was recombined as Illaenus (Parillaenus) roemeri by Jaanusson (1954), Bruton and Owen (1988); it was recombined as Parillaenus roemeri by Suzuki and Bergström (1999); it was recombined as Bumastus barriensis by Murchison (1839), Holloway (2021).

Sister species lacking formal opinion data
P. creber

Synonyms
Synonymy list
YearName and author
1839Illaenus roemeri Murchison p. 7 figs. pl. 2 f. 12-16
1839Bumastus barriensis Murchison pp. 650, 656
1861Illaenus grandis Roemer
1864Illaenus roemeri Volborth p. 7 figs. pl. 2 f. 12-16
1882Illaenus vivax Holm
1925Illaenus roemeri Warburg
1954Illaenus (Parillaenus) roemeri Jaanusson
1988Illaenus (Parillaenus) roemeri Bruton and Owen
1999Parillaenus roemeri Suzuki and Bergström p. 163 figs. 5M-N
2021Bumastus barriensis Holloway pp. 11 - 15 figs. Plate 5, Figs 1–8, 9?, 10?, 11, 12?, 13, 14?, 15?, 16, 21; Plate 6; Plate 7, Figs 1–18

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderCorynexochida
familyIllaenidaeHawle and Corda 1847
genusParillaenusJaanusson 1954
speciesroemeri()

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.

†Parillaenus roemeri Murchison 1839
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Created: 2009-06-11 18:00:52
Modified: 2009-06-11 20:00:52
Source: f = family, o = order, c = class
References: Hendy 2009, Hendy et al. 2009, Aberhan et al. 2004
Collections
No collection or age range data are available