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Protolenus

Trilobita - Redlichiida - Ellipsocephalidae

Taxonomy
Protolenus was named by Matthew (1892) [Sepkoski's age data: Cm Boto-u Cm mMid Sepkoski's reference number: 80,885]. It is not extant. It is the type genus of Protolenidae.

It was assigned to Ellipsocephalidae by Jell and Adrain (2002); to Ptychopariida by Sepkoski (2002); and to Protoleninae by El Albani et al. (2024).

Species
P. (Hupeolenus), P. (Protolenus), P. pustulatus
Species lacking formal opinion data
P. bergstroemi

Synonyms
Synonymy list
YearName and author
1892Protolenus Matthew
1895Bergeronia Matthew
2002Protolenus Jell and Adrain p. 432
2002Protolenus Sepkoski
2024Protolenus El Albani et al. p. S7

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderRedlichiinaRichter 1932
superfamilyEllipsocephaloideaLin 1990
familyEllipsocephalidaeMatthew 1887
subfamilyProtoleninae(Richter and Richter)
genusProtolenusMatthew 1892

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.

G. †Protolenus Matthew 1892
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Subg. †Protolenus (Protolenus) Matthews 1892
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†Protolenus pustulatus Cobbold 1910
Invalid names: Bergeronia Matthew 1895 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: deposit feedero
Vision: well-developedf
Created: 2009-12-19 04:00:08
Modified: 2009-12-19 06:00:08
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Hendy et al. 2009, Whittington et al. 1997

Age range: base of the Branchian to the top of the Delamaran or 517.10000 to 506.50000 Ma

Collections (32 total)


Time interval Ma Country or state Original ID and collection number
Caerfai538.8 - 509.0Canada (New Brunswick) P. articephalus, P. elegans (34567 34751) P. elegans (34569 34570 34571 34595 34596 34752)
Early/Lower Cambrian538.8 - 509.0Spain (Aragon) P. jilocanus, P. pisidianus (120550 120552)
Atdabanian521.0 - 516.0Spain P. schneideri (225087)
Atdabanian521.0 - 516.0Poland P. bodzanti, P. medius, P. czarnockii (72261) P. sp. (72268)
Branchian517.1 - 509.0United Kingdom (England) Protolenus indet., P. pustulatus (79928)
Lenian516.0 - 510.2Morocco P. densigranulatus (161460) P. dimarginatus, P. hupei, P. termierelloides (9801)
Stage 4514.0 - 509.0Morocco P. sp. (235700)
Toyonian512.9 - 510.2Morocco P. densigranulatus (9123)
Toyonian512.9 - 510.2Spain (Zaragoza) P. jilocanus, P. dimarginatus, P. termierelloides (233072)
Delamaran511.2 - 506.5Morocco P. densigranulatus (174208 174210 174217 174219 174223 174291)
Amgan510.2 - 504.5Germany P. bergstroemi (162993 162994 162996 162997)
Amgan510.2 - 504.5Poland P. polonicus (72270)
Middle Cambrian509.0 - 497.0Poland P. polonicus (72269)
Middle Cambrian509.0 - 497.0Italy (Iglesiente) P. pisidianus (139878)