PBDB Taxon

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Dicranopeltis

Trilobita - Lichida - Lichidae

Taxonomy

Dicranopeltis was named by Hawle and Corda (1847). Its type is Lichas scabra.

It was assigned to Lichadidae by Warburg (1925); to Lichinae by Owen (1981), Thomas and Holloway (1988); to Lichida by Sepkoski (2002); to Lichidae by Jell and Adrain (2002); and to Dicranopeltini by Pollitt et al. (2005).

Species

D. arkansana, D. decipiens, D. eopolytoma, D. eretes, D. imperfecta, D. polytoma, D. polytomus (syn. Lichas elegans), D. scabra, D. tricornis, Nonix sauroter

Species lacking formal opinion data

D. reporyjensis

Synonyms

Nonix was named by Lane (1984) [Sepkoski's age data: S Wenl Sepkoski's reference number: 774]. It is not extant.

It was synonymized subjectively with Dicranopeltis by Jell and Adrain (2002).

It was assigned to Lichinae by Thomas and Holloway (1988); and to Lichida by Sepkoski (2002).
Tsunyilichas was named by Zhang (1974) [Sepkoski's age data: O Ashg-u Sepkoski's reference number: 690].

It was misspelled as Tsunylichas by Sepkoski (2002); it was synonymized subjectively with Dicranopeltis by Jell and Adrain (2002).

It was assigned to Lichida by Sepkoski (2002).
Dicranopeltoides was named by Phleger (1936). It is not extant.

It was synonymized subjectively with Dicranopeltis by Thomas and Holloway (1988), Jell and Adrain (2002).
Raymondarges was named by Phleger (1937). It is not extant.

It was synonymized subjectively with Dicranopeltis by Tripp (1957), Thomas and Holloway (1988), Jell and Adrain (2002).
Trachylichas was named by Gurich (1901).

It was synonymized objectively with Dicranopeltis by Jell and Adrain (2002).

Synonymy list

Year	Name and author
1847	Dicranopeltis Hawle and Corda
1901	Trachylichas Gurich
1925	Dicranopeltis Warburg
1936	Dicranopeltoides Phleger
1937	Raymondarges Phleger
1974	Tsunyilichas Zhang
1981	Dicranopeltis Owen
1984	Nonix Lane
1988	Dicranopeltis Thomas and Holloway p. 190
1988	Nonix Thomas and Holloway p. 190
2002	Dicranopeltis Jell and Adrain p. 366
2002	Dicranopeltis Sepkoski
2002	Nonix Sepkoski
2002	Tsunylichas Sepkoski
2005	Dicranopeltis Pollitt et al. p. 238

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Latreille 1829

Rank	Name	Author
subphylum	Artiopoda	(Hou and Bergstrom)
class	Trilobita	Walch 1771
order	Lichida	Moore 1959
family	Lichidae	Hawle and Corda 1847
subfamily	Lichinae	Hawle and Corda 1847
tribe	Dicranopeltini
genus	Dicranopeltis	Hawle and Corda 1847

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. †Dicranopeltis Hawle and Corda 1847

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†Dicranopeltis arkansana Van Ingen 1901

†Dicranopeltis decipiens Weller 1907

†Dicranopeltis eopolytoma Kolobova 1978

†Dicranopeltis eretes Holloway 2021

†Dicranopeltis imperfecta Snajdr 1975

†Dicranopeltis polytoma Angelin 1854

†Dicranopeltis polytomus Angelin 1854

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Invalid names: Lichas elegans Törnquist 1884 [synonym]

†Dicranopeltis scabra Beyrich 1845

†Dicranopeltis tricornis Kobayashi and Hamada 1986

Invalid names: Dicranopeltoides Phleger 1936 [synonym], Nonix Lane 1984 [synonym], Raymondarges Phleger 1937 [synonym], Trachylichas Gurich 1901 [objective synonym], Tsunyilichas Zhang 1974 [synonym]

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:

minorg

Ontogeny:

molting, addition of partsc

Environment:

marinec

Locomotion:

fast-movingc

Life habit:

low-level epifaunalc

Diet:

carnivoreo

Vision:

well-developedf

Comments:

BODY SIZE: Data from Harrington et al. (1959).g

Created:

2009-06-09 11:59:11

Modified:

2009-06-09 13:59:11

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

References: Aberhan et al. 2004, Harrington et al. 1959, Whittington et al. 1997

Age range: base of the Cautleyan to the top of the Gorstian or 449.20000 to 425.00000 Ma

Collections (68 total)

Time interval	Ma	Country or state	Original ID and collection number
Actonian - Cautleyan	454.0 - 448.8	Iran (Gilan)	D. polytoma (232879 232880)
Katian - Hirnantian	452.8 - 443.1	Sweden (Dalarne)	D. elegans (73413)
Kralodvorian	450.1 - 445.2	Italy (Sardinia)	D. polytoma (192914)
Kralodvorian	450.1 - 445.2	Spain (Zaragoza)	D. sp. (21057)
Ashgill	449.5 - 443.1	USA (Maine)	Platylichas sp. (185954)
Ashgill	449.5 - 443.1	Spain (Aragon)	D. polytoma (80725 80768 163399)
Pirgu - Hirnantian	449.5 - 443.1	Sweden (Dalarne)	D. elegans (73414)
Cautleyan - Hirnantian	449.2 - 443.1	Ireland	D. polytoma (161780)
Rawtheyan	448.8 - 445.2	Norway (Oslo-Asker)	D. sp. (366)
Rawtheyan	448.8 - 445.2	Norway	D. polytoma (163020 163407)
Rawtheyan - Hirnantian	448.8 - 443.1	Norway	D. polytoma (163361 163406)
Hirnantian	445.2 - 443.1	Norway (Oslo-Asker Dist.)	D. sp. (441)
Porkuni	445.2 - 443.1	Sweden (Östergötland)	D. polytoma (186269)
Rhuddanian	443.1 - 440.5	United Kingdom (Wales)	D. sp. (50162)
Rhuddanian	443.1 - 440.5	United Kingdom (Scotland)	D. sp. (188533)
Llandovery	443.1 - 432.9	USA (Iowa)	D. sp. (24945 24946)
Aeronian	440.5 - 438.6	Czech Republic	D. imperfecta (14085 14122) D. sp. (14087)
Aeronian	440.5 - 438.6	United Kingdom (Scotland)	D. sp. (188534 188535)
Telychian	438.6 - 432.9	Canada (Yukon Territory)	D. sp. (23100)
Telychian	438.6 - 432.9	Greenland	D. sp. (23048)
Telychian	438.6 - 432.9	USA (Iowa)	D. sp. (24963 25015)
Telychian - Sheinwoodian	438.6 - 430.6	USA (Iowa)	D. sp. (26769)
Sheinwoodian	432.9 - 430.6	Czech Republic	D. scabra (14051 14094 14123) D. sp. (14124)
Wenlock	432.9 - 426.7	United Kingdom (England)	D. woodwardii (79893)
Wenlock	432.9 - 426.7	USA (New York)	D. sp. (13052)
Wenlock	432.9 - 426.7	Czech Republic	D. scabra (14091)
Wenlock	432.9 - 426.7	Greenland	Nonix sauroter (188490)
Wenlock	432.9 - 426.7	Canada (Northwest Territories)	D. sp. (228986)
Wenlock	432.9 - 426.7	USA (Arkansas)	D. kallaion, D. eretes, D. arkansana (229058)
Wenlock - Ludlow	432.9 - 422.7	USA (Illinois)	D. decipiens (24935 24936 24938 24943) D. sp. (24939)
Wenlock - Ludlow	432.9 - 422.7	USA (Wisconsin)	D. decipiens (24937) D. greeni (24944) D. sp. (24942)
Wenlock - Pridoli	432.9 - 419.62	USA (California)	D. decipiens (214346)
Wenlock - Silurian	432.9 - 419.62	USA (Wisconsin)	D. sp. (13069 13075 13104 13107)
Whitwellian	430.6 - 429.6	Canada (Northwest Territories)	D. sp. (26035 26042 26048)
Homerian	430.6 - 426.7	Czech Republic	D. scabra (14050 14055 14065 14101 14102)
Homerian	430.6 - 426.7	Canada (Northwest Territories)	D. sp. (497)
Homerian	430.6 - 426.7	United Kingdom	D. salteri (165514)
Gorstian	426.7 - 425.0	Czech Republic	D. scabra (14125)
Ludlow	426.7 - 422.7	USA (California)	D. decipiens (229581)
Ludlow	426.7 - 422.7	Japan (Skikoku)	D. tricornis (188692)