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Chigraptus supinus

Pterobranchia - Graptoloidea - Anisograptidae

Taxonomy
Chigraptus supinus was named by Jackson and Lenz (1999). Its type specimen is GSC 117664 and is a 3D body fossil. It is the type species of Chigraptus.

Synonymy list
YearName and author
1999Chigraptus supinus Jackson and Lenz pp. 155 - 156 figs. 4a-e
2003Chigraptus supinus Jackson and Lenz pp. 155 - 156 figs. 4a-e

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumHemichordataBateson 1885
classPterobranchiaLankester 1877
RankNameAuthor
subclassGraptolithina(Bronn 1849)
orderGraptoloideaLapworth 1875
suborderGraptodendroidinaMu and Lin 1981
familyAnisograptidaeBullman 1950
genusChigraptusJackson and Lenz 1999
speciessupinusJackson and Lenz 1999

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.

Chigraptus supinus Jackson and Lenz 1999
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Diagnosis
ReferenceDiagnosis
D. E. Jackson and A. C. Lenz 2003Small quadriradiate rhabdosome with four unbranched first-order stipes disposed horizontally to slightly reclined. Autothecae biform, comprising long, curved, downwardly directed isolate autothecae proximally, grading to tubes with low angle of inclination and slightly isolate distally. Sicular bitheca seen and bithecae are present throughout the colony (Fig. 4e).
Measurements
No measurements are available
Composition: "sclero-protein"c
Locomotion: passively mobileo
Life habit: planktonico
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 15:07:12
Modified: 2009-05-19 07:15:15
Source: o = order, c = class
References: Aberhan 1992, Aberhan et al. 2004

Age range: Tremadoc or 486.50000 to 477.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Tremadoc486.5 - 477.7Canada (Yukon) Chigraptus supinus (203944)