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Protogrammoceras (Paltarpites) paltum

Cephalopoda - Hildoceratidae

Taxonomy
Paltarpites paltus was named by Buckman (1922).

It was recombined as Protogrammoceras paltum by Hall and Howarth (1983); it was recombined as Protogrammoceras (Protogrammoceras) paltum by Howarth (1992), Smith and Tipper (1996); it was recombined as Protogrammoceras (Paltarpites) paltum by Bécaud (2006), Bécaud (2008).

Synonymy list
YearName and author
1922Paltarpites paltus Buckman
1970Paltarpites paltus Frebold
1983Protogrammoceras paltum Hall and Howarth p. 1470 figs. 3a-d
1992Protogrammoceras (Protogrammoceras) paltum Howarth p. 57 figs. Pl 1, figs 1-3; pl 2, figs 1,2; text-fig 11
1996Protogrammoceras (Protogrammoceras) paltum Smith and Tipper p. 66 figs. PL 24, figs 1-4; Txt figs 38k-l, 39b,d,e
2006Protogrammoceras (Paltarpites) paltum Bécaud p. 45 figs. Pl 1, figs 1,2,4,5
2008Protogrammoceras (Paltarpites) paltum Bécaud p. 4
2009Paltarpites paltus Elmi et al. figs. Pl 1, figs 1,2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
subclassColeoideaBather 1888
RankNameAuthor
superorderAmmonoida()
suborderAmmonitinaHyatt 1889
superfamilyHildoceratoidea(Hyatt 1867)
familyHildoceratidaeHyatt 1867
subfamilyProtogrammoceratinaeMattei 1974
genusProtogrammocerasSpath 1913
subgenusPaltarpites
speciespaltum(Buckman 1922)

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
partNmeanminimummaximummedians.d.
height143.0----
diameter1124.0----
inflation148.5----
shell height328.913.551.035.018.8
shell diameter373.931.0147.088.758.0
shell inflation324.910.052.029.621.0

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 2003, Kiessling 2004

Age range: base of the Spinatum to the top of the Kanense or 192.90000 to 181.30000 Ma

Collections (41 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Pliensbachian192.9 - 184.2USA (Nevada) Protogrammoceras paltum (207913)
Late/Upper Pliensbachian192.9 - 184.2Canada (British Columbia) Protogrammoceras paltum (53462 200038 200423 200428)
Late/Upper Pliensbachian192.9 - 184.2Canada (Yukon) Protogrammoceras paltum (196787)
Late/Upper Pliensbachian192.9 - 184.2USA (Nevada) Protogrammoceras paltum (207965 208015)
Pliensbachian192.9 - 184.2Canada (British Columbia) Protogrammoceras paltum (33278 33280 33281 33284)
Spinatum192.9 - 184.2Canada (British Columbia) Protogrammoceras paltum (32867 32868 33161 33277)
Spinatum192.9 - 184.2Canada (Nunavut) Protogrammoceras paltum (33323)
Early/Lower Toarcian184.2 - 182.9Canada (British Columbia) Protogrammoceras paltum (200055)
Early/Lower Toarcian184.2 - 182.9Morocco Paltarpites paltum (200358)
Early/Lower Toarcian184.2 - 182.9USA (Nevada) Protogrammoceras paltum (208064 208068)
Tenuicostatum184.2 - 182.9Algeria Paltarpites paltus (148282 148283)
Tenuicostatum184.2 - 182.9Spain (Cantabria) Protogrammoceras paltum (169498)
Tenuicostatum184.2 - 182.9Hungary Paltarpites paltus (118886)
Tenuicostatum184.2 - 182.9France Paltarpites paltus (124124 124132 148313)
Tenuicostatum184.2 - 182.9Spain (Aragon) Protogrammoceras paltum (146784 146787)
Tenuicostatum184.2 - 182.9France (Vendée) Protogrammoceras paltum (140747 140748 147217)
Carlottense183.5 - 182.3Canada (Alberta) Protogrammoceras paltum (197685)
Carlottense183.5 - 182.3Canada (British Columbia) Protogrammoceras paltum (200278 200279 200282 200284)
Kanense182.3 - 181.3Canada (Alberta) Protogrammoceras paltum (198518)
Kanense182.3 - 181.3Canada (British Columbia) Protogrammoceras paltum (32869 32870)