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Parisograptus caduceus

Pterobranchia - Graptoloidea - Isograptidae

Taxonomy
Didymograptus caduceus was named by Salter and Bigby (1853). Its type specimen is GSC 26571a and is a compression fossil. Its type locality is The Cote Fréchette, which is in a Darriwilian carbonate mudstone/shale in the Shumardia Limestone Formation of Canada.

It was recombined as Isograptus caduceus by Cooper (1971); it was recombined as Parisograptus caduceus by Maletz and Zhang (2003).

Synonymy list
YearName and author
1853Didymograptus caduceus Bigby p. 87 fig. 1
1853Didymograptus caduceus Salter and Bigby p. 87 fig. 1
1971Isograptus caduceus Cooper pp. 905 - 907 figs. 2a-f
2003Parisograptus caduceus Maletz and Zhang pp. 301 - 304 figs. Plate 1, f. 1-7; Text-fig. 1A-H, 2A-C

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumHemichordataBateson 1885
classPterobranchiaLankester 1877
RankNameAuthor
subclassGraptolithina(Bronn 1849)
orderGraptoloideaLapworth 1875
suborderGlossograptinaJaanuson 1960
familyIsograptidaeHarris 1933
genusParisograptusChen and Zhang 1996
speciescaduceus(Salter and Bigby 1853)

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.

†Parisograptus caduceus Salter and Bigby 1853
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Diagnosis
ReferenceDiagnosis
Bigby 1853Stipe [nema] slender and long; branches reflexed approximately parallel; rachis [axial region] relatively broad on both sides, teeth projecting slightly, no appendages.
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: base of the Rangerian to the top of the Early/Lower Llanvirn or 471.30000 to 461.10000 Ma

Collections (27 total)


Time interval Ma Country or state Original ID and collection number
Chewtonian - Castlemainian473.1 - 470.3USA (Idaho) Isograptus caduceus (145223)
Castlemainian471.3 - 470.3New Zealand Isograptus caduceus (63284 63285)
Rangerian471.3 - 470.3USA (British Columbia) Isograptus caduceus (149567)
Castlemainian - Yapeenian471.3 - 469.4USA (Idaho) Isograptus caduceus (145226 145326)
Dapingian471.3 - 469.4Russian Federation (Siberia) Isograptus caduceus (205387 205563 206146)
Whiterockian471.3 - 457.3USA (Texas) Isograptus caduceus (210164)
Yapeenian470.3 - 469.4New Zealand Isograptus caduceus (63202 63279 63281 63326 63331 63361 63362 63363 63367 63368)
Darriwilian469.4 - 458.2Bolivia Parisograptus caduceus (145517)
Darriwilian469.4 - 458.2New Zealand Isograptus caduceus (63278 63970)
Darriwilian469.4 - 458.2Russian Federation (Siberia) Isograptus caduceus (206145)
Early/Lower Llanvirn468.0 - 461.1Argentina Isograptus caduceus (8883)
Llanvirn468.0 - 458.2USA (Alaska) Isograptus caduceus (101850 101854)