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

Olenellus (Paedeumias)

Trilobita - Redlichiida - Olenellidae

Synonymy list
YearName and author
1910Paedeumias Walcott p. 302
1928Paedumias Resser p. 4
1933Paedeumias Hazzard and Crickmay p. 74
1952Paedeumias Riccio p. 30
1993Olenellus (Paedeumias) Palmer and Repina p. 22
1998Olenellus (Paedeumias) Lieberman p. 70
1998Olenellus (Paedeumias) Palmer p. 670
2002Paedeumias Jell and Adrain p. 416
2002Paedumias Sepkoski
2003Olenellus (Paedeumias) Sundberg and McCollum p. 953

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderOlenellina
superfamilyOlenelloidea
familyOlenellidae
subfamilyOlenellinae
genusOlenellusHall 1861
subgenusPaedeumias()

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. †Olenellus (Paedeumias) Walcott 1910
show all | hide all
Paedeumias granulatus Palmer 1964
Paedeumias transitans Walcott 1910
hide
Invalid names: Olenellus perkinsi Resser and Howell 1938 [synonym]
Diagnosis
ReferenceDiagnosis
A. R. Palmer and L. N. Repina 1993Species of Olenellus with posterior margin of cephalon nearly straight or only slightly angled forward distal to position of intergenal spines. Intergenal spine or swelling generally closer to genal spine than to axial fur- row. Sagittal length of preglabellar field characteristically greater than twice sagittal length of anterior border. Posterior tips of palpebral lobes convergent toward glabella, opposite or posterior to posterior part of Li.
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: majorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: deposit feedero
Vision: well-developedf
Created: 2009-02-25 08:45:18
Modified: 2009-02-25 12:04:51
Source: g = genus, f = family, o = order, c = class
References: Whittington et al. 1997, Hendy 2009, Aberhan et al. 2004, Hendy et al. 2009

Age range: Dyeran or 515.30000 to 511.20000 Ma

Collections (51 total)


Time interval Ma Country or state Original ID and collection number
Caerfai538.8 - 509.0Canada (Nunavut) Paedumias sp. (184)
Early/Lower Cambrian538.8 - 509.0USA (Nevada) Paedeumias sp. (204011)
Caerfai - St Davids538.8 - 497.0USA (Nevada) Paedeumias sp. (9623)
Cambrian538.8 - 485.4Canada (British Columbia) Paedumias sp. (186)
Lenian516.0 - 510.2USA (New York) Paedeumias sp. no. 1, Paedeumias sp. no. 2, Paedeumias sp. no. 3 (225082) Paedumias sp. (189)
Lenian516.0 - 510.2USA (Nevada) Olenellus chiefensis (9821) Olenellus terminatus (9822)
Dyeran515.3 - 511.2USA (California) Olenellus n. sp.1, Olenellus transitans (10613) Olenellus terminatus (10622 10623 10627 10628 10630 10631 10632) Olenellus transitans (10612 10615 10616 10618 10619 10621) Paedeumias sp. (149629 149697)
Dyeran515.3 - 511.2USA (Nevada) Olenellus chiefensis, Olenellus terminatus (10560 10569 156353 156372 156373 156374 156375 156376 156377 234284 234285 234286) Paedeumias granulatus (96417) Paedeumias sp. (8665 155976) Paedumias sp. (9622)
Dyeran515.3 - 511.2Canada (Labrador) Olenellus transitans (195934)
Dyeran515.3 - 511.2Canada (Newfoundland) Olenellus transitans (195761 195905 195906 195922 195923 195926 195930 195935 195936)
Dyeran515.3 - 511.2USA (Vermont) Paedeumias transitans, Paedeumias perkinsi, Olenellus brachycephalus (121235)