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Isocolidae

Trilobita - Isocolidae

Synonymy list
YearName and author
1854Isocolidae Angelin
2002Isocolidae Jell and Adrain p. 472
2011Isocolidae Adrain p. 108

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
familyIsocolidaeAngelin 1854
familyIsocolidaeAngelin 1854

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.

Fm. †Isocolidae Angelin 1854
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G. †Cyphoniscus Salter 1853
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†Cyphoniscus socialis Salter 1853
G. †Hanzhongaspis Chen 1975
G. †Holdenia Cooper 1953
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†Holdenia typa Cooper 1953
G. †Isocolus Angelin 1854
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†Isocolus dysdercus Whittington 1963
†Isocolus sjogreni Angelin 1854
G. †Liangshanocephalus Chen 1975
G. †Paratiresias Petrunina 1975
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†Paratiresias turkestanicus Petrunina 1975
G. †Pradesia Thoral 1935
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†Pradesia martyi Thoral 1935
G. †Pseudopetigurus Prantl and Pribyl 1949
G. †Thomondia Harper 1942
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†Thomondia globosa Harper 1942
G. †Thoralocolus Pillet and Courtessole 1985
G. †Tiresias McCoy 1846
G. †Triarthroides Raymond 1937
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-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: blindf
Created: 2010-01-04 12:55:47
Modified: 2010-01-04 14:55:47
Source: f = family, c = class
References: Whittington et al. 1997, Aberhan et al. 2004

Age range: base of the Arenigian to the top of the Porkuni or 478.60000 to 443.70000 Ma

Collections (30 total)


Time interval Ma Country or state Original ID and collection number
Tremadoc486.5 - 477.7France (Montagne Noire) Pseudopetigurus sp. (20829 76571)
Arenigian478.6 - 468.1China (Hunan) Pseudopetigurus sp. (116207 116210 116220 116221)
Klabava478.6 - 466.0Czech Republic Pseudopetigurus sp. (3840)
Floian477.7 - 470.0France (Montagne Noire) Pradesia sp., Thoralocolus sp. (20827)
Castlemainian - Yapeenian470.0 - 467.3Ireland Isocolus n. sp. A (153922)
Whiterockian470.0 - 457.3Canada (Newfoundland and Labrador) Isocolus dysdercus (104752)
Sandbian458.4 - 453.0USA (Virginia) Holdenia sp. (178247)
Sandbian458.4 - 453.0China (Gansu) Cyphoniscus socialis (182201) Paratiresias turkestanicus (182202)
Ashbyan457.3 - 449.6USA (Virginia) Holdenia typa (164296)
Blackriveran457.3 - 449.6USA (Virginia) Holdenia typa (164297)
Longvillian457.2 - 455.0China (ShanXi) Hanzhongaspis sp., Liangshanocephalus sp. (7885)
Actonian - Onnian454.0 - 449.5China (ZheJiang) Thomondia sp. (7809)
Actonian - Onnian454.0 - 449.5China (ShanXi) Liangshanocephalus sp. (7882)
Actonian - Cautleyan454.0 - 448.8Iran (Gilan) Cyphoniscus socialis, Paratiresias alborzensis (232879) Paratiresias alborzensis (232880)
Katian453.0 - 445.2Ireland Thomondia globosa (162246)
Katian453.0 - 445.2Sweden (Dalarna) Isocolus sjogreni (124939)
Katian - Hirnantian453.0 - 443.4Sweden (Dalarne) Isocolus sjogreni (73413)
Kralodvorian449.8 - 445.2Spain (Zaragoza) Holdenia sp., Tiresias sp. (21057)
Ashgill449.5 - 443.7Spain (Aragon) Holdenia insculpta (80725)
Pirgu - Porkuni449.5 - 443.7Sweden (Dalarne) Isocolus sjogreni (73407)
Pirgu - Hirnantian449.5 - 443.4Sweden (Dalarne) Isocolus sjogreni (73408)
Pirgu - Hirnantian449.5 - 443.4Sweden (Dalarna) Isocolus sjogreni (158137)
Cautleyan - Hirnantian449.2 - 443.4Ireland Cyphoniscus socialis (161780)
Hirnantian445.2 - 443.4Sweden (Dalarne) Isocolus sjogreni (73410)