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

Hipponix arnoldi

Gastropoda - Hipponicidae

Taxonomy
Hipponyx arnoldi was named by Dickerson (1917). Its type specimen is CAS 436 and 437 (cotypes) and is a 3D body fossil. Its type locality is CAS loc. 181, Cowlitz River, 4mi E. of Vader, which is in an Eocene coastal sandstone/conglomerate in Washington.

It was recombined as Hipponix arnoldi by Effinger (1938).

Sister species lacking formal opinion data
H. floridanus, H. tuba, H. badius, H. lissus

Synonyms
Synonymy list
YearName and author
1917Hipponyx arnoldi Dickerson pp. 180 - 181 figs. PI. 31, Figs. 10a, 10b, 10c and 10d
1917Hipponyx ornata Dickerson p. 181 figs. Plate 31, Figs. 12a and 12b
1938Hipponix arnoldi Effinger p. 379 figs. Plate 47, figure 8
1944Hipponyx arnoldi Durham p. 162

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassCaenogastropoda(Cox 1959)
—Sorbeoconcha(Ponder and Lindberg 1997)
—Hypsogastropoda(Ponder and Lindberg 1997)
superfamilyHipponicoideaTroschel 1861
familyHipponicidaeTroschel 1861
genusHipponix(Defrance 1819)
speciesarnoldi()

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.

†Hipponix arnoldi Dickerson 1917
show all | hide all
Invalid names: Hipponyx ornata Dickerson 1917 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobilef
Attached: yesf
Life habit: epifaunalf
Diet: grazerf
Diet 2: suspension feederf
Vision: limitedc
Created: 2009-09-10 08:00:55
Modified: 2009-09-10 10:00:55
Source: f = family, c = class
References: Kiessling 2004, Hendy et al. 2009

Age range: Late/Upper Eocene or 37.20000 to 33.90000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Priabonian38.0 - 33.9USA (Washington) Hipponix arnoldi (40733) Hipponyx arnoldi (91606)
Late/Upper Eocene37.2 - 33.9USA (Washington) Hipponyx arnoldi, Hipponyx ornata (type locality: 4900)