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Climacograptus (Climacograptus) bicornis

Pterobranchia - Graptoloidea - Climacograptidae

Taxonomy
Graptolithus bicornis was named by Hall (1847) [Lectotype chosen by Riva (1974).]. Its type specimen is A.M.N.H. 1030a and is a 3D body fossil.

It was recombined as Climacograptus bicornis by Hall (1865) and Riva (1974); it was recombined as Climacograptus (Climacograptus) bicornis by Mitchell (1987).

Synonymy list
YearName and author
1847Graptolithus bicornis Hall pp. 268 - 269 figs. Pl. 73 Figs. 2 a-b.
1865Climacograptus bicornis Hall p. 112 figs. pl. A f. 1a-c
1974Climacograptus bicornis Riva pp. 6-11 figs. Plate 1, figs. 13, 5-7; text-figs. 1a-h
1987Climacograptus (Climacograptus) bicornis Mitchell p. 388

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumHemichordataBateson 1885
classPterobranchiaLankester 1877
subclassGraptolithina(Bronn 1849)
RankNameAuthor
orderGraptoloideaLapworth 1875
suborderAxonophoraFrech 1897
infraorderDiplograptina(Lapworth 1880)
superfamilyClimacograptoideaFrech 1897
familyClimacograptidaeFrech 1807
genusClimacograptusHall 1865
subgenusClimacograptusHall 1865
speciesbicornis()

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.

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Diagnosis
No diagnoses are available
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 Middle Ordovician to the top of the Maysvillian or 470.00000 to 449.60000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Middle Ordovician470.0 - 458.4USA (Nevada) Climacograptus bicornis (203990 203992)
Sandbian458.4 - 453.0Argentina (San Juan) Climacograptus bicornis (120528)
Gisbornian458.4 - 452.7USA (Idaho) Climacograptus bicornis (145233 145236 145237 145238 145240)
Caradoc458.4 - 449.5Canada (New Brunswick) Climacograptus bicornis (145615)
Caradoc458.4 - 449.5Canada (Northwest Territories) Climacograptus bicornis (25338)
Late/Upper Ordovician458.4 - 443.8USA (Alaska) Climacograptus bicornis (111718)
Idavere458.0 - 453.0Sweden (Skane) Climacograptus bicornis (80104)
Shermanian - Maysvillian457.3 - 449.6Canada (Northwest Territories) Climacograptus bicornis (25343)
Trentonian - Richmondian457.3 - 445.5Canada (Nunavut) Climacograptus bicornis (24117)
Katian453.0 - 445.2Russian Federation (Siberia) Climacograptus bicornis (205666)
Eastonian452.7 - 449.5USA (Idaho) Climacograptus bicornis (145463 145464)