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Pseudotoites semiornatus

Cephalopoda - Ammonitida - Otoitidae

Taxonomy
Ammonites (Sphaeroceras) semiornatus was named by Crick (1894). It is a 3D body fossil. Its type locality is Champion Bay, which is in a Bajocian carbonate limestone in the Newmarracarra Limestone Formation of Australia.

It was recombined as Pseudotoites semiornatus by Arkell (1954).

Sister species lacking formal opinion data
P. sphaeroceroides

Synonymy list
YearName and author
1894Ammonites (Sphaeroceras) semiornatus Crick p. 434 figs. Pl 13, figs 1a,b
1954Pseudotoites semiornatus Arkell p. 577 figs. Pl 38, figs 1-6

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyStephanoceratoidea(Newmayr 1875)
familyOtoitidaeMascke 1907
genusPseudotoites
speciessemiornatus()

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
partNmean
shell height120.0
shell diameter161.0
shell inflation122.5

Composition: aragoniteo
Environment: marinec
Locomotion: fast-movingo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:27:03
Modified: 2009-10-08 14:14:55
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: Early/Lower Bajocian or 171.60000 to 168.40000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Bajocian171.6 - 168.4Australia (Western Australia) Ammonites semiornatus (type locality: 171208) Pseudotoites semiornatus (153578 171210 171217 171219 171220)