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Staurograptus mojotorensis

Pterobranchia - Graptoloidea - Anisograptidae

Discussion

Derivatio nominis: En referencia a la sierra de Mojotoro, área de procedencia del material fósil descrito.

Taxonomy
Anisograptus mojotorensis was named by Monteros and Moya (2011). Its type specimen is CNS-I 139/795 (5), Fig. 5b., an other (Rhabdosome), and it is a 3D body fossil.

It was recombined as Staurograptus mojotorensis by Wang and Muir (2015).

Synonymy list
YearName and author
2011Anisograptus mojotorensis Monteros and Moya p. 55 fig. 2–5
2015Staurograptus mojotorensis Wang and Muir pp. 94 - 95 figs. 4E–H, L, 5I, 6B

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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
genusStaurograptus
speciesmojotorensis()

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.

Staurograptus mojotorensis Monteros and Moya 2011
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Diagnosis
ReferenceDiagnosis
J. A. Monteros and M. C. Moya 2011Triradiate rhabdosome, though generally with pseudo-quadriradiate symmetry; delicate, with horizontal form and variable size (8 to 20 mm diameter). The proximal development is isograptid, with right-handed origin and dextral growth of the first dicalycal thecae (th1(2)). Consisting of few thin stipes (0.30-0.47 mm dorso-ventral width); variable branching pattern, with very short first and second order stipes (first order stipe 1 is always the shortest). Markedly asymmetrical proximal development in lateral view. Long and thin sicula with blunt ápex (average length 1.5 mm), probably due to loss of part of the prosicula. Thin, straight to gently curved autothecae, with slightly denticulate thecal apertures; with bithecas. The thecal density is 10-12 in 10 mm.
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 et al. 2004, Aberhan 1992

Age range: Tremadoc or 486.40000 to 477.10000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Tremadocian486.85 - 477.1Argentina (Salta) Anisograptus mojotorensis (220284)
Tremadoc486.4 - 477.1China (Hunan) Staurograptus mojotorensis (210768 210774)