PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Hipponicoidea

Gastropoda

Taxonomy

Hipponicoidea was named by Troschel (1861).

It was assigned to Hypsogastropoda by Harzhauser (2004); and to Hypsogastropoda by Bouchet et al. (2017).

Subtaxa

Hipponicidae

Synonymy list

Year	Name and author
1861	Hipponicoidea Troschel
2004	Hipponicoidea Harzhauser p. 130
2017	Hipponicoidea Bouchet et al. p. 343

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca

Rank	Name	Author
class	Gastropoda
subclass	Caenogastropoda	(Cox 1959)
—	Sorbeoconcha	(Ponder and Lindberg 1997)
—	Hypsogastropoda	(Ponder and Lindberg 1997)
superfamily	Hipponicoidea	Troschel 1861
superfamily	Hipponicoidea	Troschel 1861

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.

Superfm. †Hipponicoidea Troschel 1861

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Fm. Hipponicidae Troschel 1861 [hoof shell]

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G. Cheilea Modeer 1793

Cheilea equestris Linnaeus 1758

†Cheilea princetonia Brown and Pilsbry 1911

Cheilea uncinata Reeve 1858

Invalid names: Cheilea dryas Gardner 1947 [synonym]

G. †Eoatlanta Cossmann 1889

†Eoatlanta ravni Schnetler 2013

†Eoatlanta spiruloides Lamarck 1804

G. †Gnaszynium Kaim 2004

†Gnaszynium baumilleri Kaim 2004

G. Hipponix Defrance 1819

Subg. †Hipponix (Antisabia) Iredale 1917

Antisabia panamensis Adams 1852

Invalid names: Hipponyx cranioides Carpenter 1864 [synonym]

Hipponix (Antisabia) foliacea Quoy and Gaimard 1834

Subg. Hipponix (Malluvium) Melvill 1906

Subg. Hipponix (Pilosabia) Iredale 1929

Hipponix antiquatus Linnaeus 1767

†Hipponix arnoldi Dickerson 1917

Invalid names: Hipponyx ornata Dickerson 1917 [synonym]

Hipponix conicus Schumacher 1817

†Hipponix demissus Cox 1952

†Hipponix dichotomus Gabb 1864

†Hipponix interruptus Michelotti 1861

†Hipponix pristinus Zinsmeister 1983

Hipponix tumens Carpenter 1864

†Hipponyx ainamurensis Abbass 1967

†Hipponyx carpenteri Arnold 1908

†Hipponyx ceras Woodring 1928

†Hipponyx conoides Abbass 1967

†Hipponyx cornucopae Lamarck 1802

†Hipponyx costata Erdmann and Morra 1985

†Hipponyx gomai Abbass 1967

†Hipponyx ovalis Abbass 1967

†Hipponyx pygmaea Lea 1833

†Hipponyx woodi Abbass 1967

G. Krebsia Mörch 1877

Capulus (Krebsia) incurvatus Gmelin 1791

Invalid names: Hipponyx intortus Lamarck 1822 [synonym]

G. †Rothpletzia Simonelli 1890

†Rothpletzia floridana Vokes 1982

†Rothpletzia rudista Simonelli 1890

Invalid names: Neomonopleura Hodson and Harris 1931 [synonym]

G. Sabia Gray 1847

Invalid names: Saptadanta Prashad and Rao 1934 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

actively mobilec

Life habit:

epifaunalc

Vision:

limitedc

Created:

2004-02-29 11:40:59

Modified:

2010-02-11 01:35:02

Source: c = class

Reference: Kiessling 2004

Age range

Maximum range based only on fossils: base of the Homerian to the top of the Holocene or 430.60000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 426.7 Ma

Collections (352 total)

Time interval	Ma	Country or state	Original ID and collection number
Oldest occurrences
Homerian	430.6 - 426.7	Sweden (Gotland)	Rothpletzia sp. (13600)
Middle Bathonian	168.2 - 165.3	Poland	Gnaszynium baumilleri (63078)
Aptian	121.4 - 113.2	United Kingdom (England)	Hipponix neocomiensis (1775)
Late/Upper Albian	106.3 - 100.5	Angola	Hipponyx sp. (210733)
Late/Upper Campanian	83.6 - 72.2	USA (California)	Hipponix dichotomus (167697)
Middle Campanian	83.6 - 72.2	USA (California)	Hipponix dichotomus (185368)
Danian	66.0 - 61.66	Denmark	Eoatlanta ravni (166362) Hipponix sp., Eoatlanta ravni (176994)
Danian	66.0 - 61.66	Belgium	Hipponix inevolutus (22931)
Danian	66.0 - 61.66	Puerto Rico	Hipponix sp. (87547)
Danian	66.0 - 61.66	Greenland	Hipponix sp. (22943)
Danian	66.0 - 61.66	France	Hipponix consobrinus (20816)
Paleocene	66.0 - 56.0	Egypt	Hipponix ainamurensis (2952)
Selandian	61.66 - 59.24	Nigeria	Hipponix demissus (7791)
Selandian	61.66 - 59.24	Greenland	Hipponix sp. (22944 22945)
Thanetian	59.24 - 56.0	USA (California)	Hipponix pristinus (205554)
Thanetian	59.24 - 56.0	Poland	Hipponix imbricataria, Hipponix inevolutus, Hipponix sp. (27018) Hipponix tuba, Hipponix sp. (27019)
Waipawan	56.0 - 52.0	New Zealand	Cheilea sp. (51084)
Ypresian	56.0 - 48.07	USA (Alabama)	Hipponix sylvaerupis (80776 98277)
Lutetian	48.07 - 41.03	Egypt	Hipponix ovalis, Hipponix conoides (2955)
Lutetian	48.07 - 41.03	France	Cyclostoma spiruloides (184110) Hipponix cornucopiae, Hipponix spirirostris, Hipponix elegans, Hipponix operculars (171526) Hipponix sulcatus (65072)