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Hyphantoceras (Madagascarites)

Cephalopoda - Ammonoida - Nostoceratidae

Taxonomy
Madagascarites was named by Collignon (1966) [Sepkoski's age data: K Turo-u K Sant-u].

It was reranked as Hyphantoceras (Madagascarites) by Summesberger (1979), Summesberger (1980), Klinger (1985).

It was assigned to Hyphantoceras by Summesberger (1979), Summesberger (1980), Klinger (1985); and to Ammonoidea by Sepkoski (2002).

Species lacking formal opinion data
Hyphantoceras orientale, Madagascarites ryu

Synonymy list
YearName and author
1966Madagascarites Collignon
1979Hyphantoceras (Madagascarites) Summesberger p. 122
1980Hyphantoceras (Madagascarites) Summesberger p. 277
1985Hyphantoceras (Madagascarites) Klinger p. 6
2002Madagascarites Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassColeoideaBather 1888
orderAmmonoida(Haeckel 1866)
orderAmmonitidaHaeckel 1866
suborderAncyloceratinaWiedmann 1966
superfamilyTurrilitoidea(Gill 1871)
familyNostoceratidaeHyatt 1894
genusHyphantoceras
subgenusMadagascarites(Collignon 1966)

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.

Subg. †Hyphantoceras (Madagascarites) Collignon 1966
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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 Middle Turonian to the top of the Turonian or 93.50000 to 89.80000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Turonian93.9 - 89.8Japan (Hokkaido) Madagascarites sp. (94688)
Turonian93.9 - 89.8Japan Madagascarites ryu (69160 69165)
Middle Turonian93.5 - 89.3Japan Madagascarites ryu (69162)