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Cnemidopyge

Artiopoda - Trinucleida - Raphiophoridae

Taxonomy
Cnemidopyge was named by Whittard (1955) [Sepkoski's age data: O Aren-l O Llde-u Sepkoski's reference number: 378,726]. It is not extant.

It was assigned to Raphiophoridae by Harrington et al. (1959); to Raphiophorinae by Fortey (1975); and to Asaphida by Sepkoski (2002).

Synonymy list
YearName and author
1955Cnemidopyge Whittard
1959Cnemidopyge Harrington et al. p. 427
1975Cnemidopyge Fortey p. 65
2002Cnemidopyge Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderTrinucleida(Swinnerton 1915)
familyRaphiophoridaeAngelin 1854
subfamilyRaphiophorinaeAngelin 1854
genusCnemidopygeWhittard 1955

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. †Cnemidopyge Whittard 1955
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†Cnemidopyge bisecta Elles 1940
†Cnemidopyge costata Boeck 1838
†Cnemidopyge nuda Murchison 1839
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†Cnemidopyge nuda granulata Whittard 1955
Invalid names: Ampyx latus M'Coy 1851 [synonym]
†Cnemidopyge parva Hughes 1969
†Cnemidopyge tenuis Kennedy 1988
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Spines: majorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: suspension feederf
Vision: blindf
Created: 2009-06-09 09:27:58
Modified: 2009-06-09 11:27:58
Source: g = genus, f = family, c = class
References: Whittington et al. 1997, Harrington et al. 1959, Aberhan et al. 2004

Age range: base of the Darriwilian to the top of the Harnagian or 469.40000 to 457.20000 Ma

Collections (21 total)


Time interval Ma Country or state Original ID and collection number
Arenig477.1 - 468.0United Kingdom (England) C. sp. (3684 3685)
Darriwilian - Sandbian469.4 - 452.8Canada (Northwest Terrorities) C. sp. (317)
Early/Lower Llanvirn468.0 - 461.1United Kingdom (Wales) C. tenuis (69843 69844)
Llanvirn468.0 - 458.2United Kingdom C. pentirvinense (69739)
Late/Upper Llanvirn461.1 - 458.2United Kingdom (Wales) C. tenuis (69768 69769)
Late/Upper Llanvirn461.1 - 458.2Sweden C. sp. (2942)
Llandeilo461.1 - 458.2United Kingdom (Wales) C. parva (216511)
Llandeilo461.1 - 458.2United Kingdom C. nuda (234027 234029 234030 234035)
Llandeilo - Caradoc461.1 - 449.5Canada (Northwest Territories) C. norfordi (316)
Costonian - Harnagian458.2 - 457.2Sweden C. sp. (2769)
Sandbian458.2 - 452.8United Kingdom (Wales) C. sp. (120626)
Caradoc458.2 - 449.5Canada (Northwest Territories) C. sp. (25513 25552)
Caradoc458.2 - 449.5United Kingdom C. bisecta (234031)
Idavere458.0 - 452.8Sweden (Skane) Ampyx costatus (80104)