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Gyronautilus praevolutus

Cephalopoda - Nautilida - Grypoceratidae

Taxonomy
Syringoceras praevolutum was named by Kiparisova (1961). It is not extant. Its type specimen is CGM 12/5504. It is the type species of Gyronautilus.

It was recombined as Gyronautilus praevolutum by Zakharov and Shigeta (2000); it was recombined as Gyronautilus praevolutus by Shigeta and Zakharov (2009).

Synonymy list
YearName and author
1961Syringoceras praevolutum Kiparisova p. 25 figs. pl. 4, fig. 2
2000Gyronautilus praevolutum Zakharov and Shigeta p. 232 figs. 2-4
2009Gyronautilus praevolutus Shigeta and Zakharov p. 47 figs. 30-35

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassNautilia(Wade 1988)
orderNautilidaAgassiz 1847
suborderTainoceratinaShimansky 1964
superfamilyTrigonoceratoidea(Hyatt 1884)
familyGrypoceratidaeHyatt 1900
subfamilyGyronautilinae
genusGyronautilus
speciespraevolutus(Kiparisova 1961)

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.

†Gyronautilus praevolutus Kiparisova 1961
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height247.341.554.047.88.84
shell diameter2111.892.6135.0113.830.0
shell inflation238.931.548.039.811.7

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:35:00
Modified: 2009-09-27 12:10:42
Source: o = order, c = class
References: Kiessling 2003, Kiessling 2004

Age range: base of the Olenekian to the top of the Griesbachian or 251.20000 to 250.50000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Griesbachian251.902 - 250.5Russian Federation Gyronautilus praevolutus (90207)
Smithian251.3 - 247.2Russian Federation (Primorye) Gyronautilus praevolutum (47267)
Olenekian251.2 - 247.2Russian Federation Gyronautilus praevolutum (61959)