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Protogrammoceras varicostatum

Cephalopoda - Ammonitida - Hildoceratidae

Taxonomy

No taxonomic data are available

Sister species
Fuciniceras (Paltarpites) aequiondulatum, P. (Argutarpites) meneghinii (syn. Harpoceras denseornatum), P. (Paltarpites) gabillyi, P. (Paltarpites) madagascariense, P. (Paltarpites) paltum, P. bassanii (syn. Bassaniceras infidum), P. ionicus, P. normanianum, P. pseudodilectum, P. serotinum, P. sublaeve, P. thevenini
Sister species lacking formal opinion data
P. bonarellii, P. costicillatum, P. exigum, P. falcicostatum, P. nipponicum, P. normannianum, P. compressum, P. tipperi, P. pristinum, P. tipperi, P. veliferum

Synonymy list
No taxonomic opinions are available

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyHildoceratoidea(Hyatt 1867)
familyHildoceratidaeHyatt 1867
subfamilyProtogrammoceratinaeMattei 1974
genusProtogrammocerasSpath 1913
speciesvaricostatum

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: Early/Lower Pliensbachian or 189.60000 to 183.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Pliensbachian189.6 - 183.0USA (Nevada) Protogrammoceras varicostatum (207910)