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Hilgardia

Bivalvia - Nuculanida - Nuculanidae

Taxonomy
Hilgardia was named by Harris (1946) [Sepkoski's age data: T Eo-l T Eo-m-u Sepkoski's reference number: 700,914]. It is not extant.

It was reranked as Nuculana (Hilgardia) by Palmer and Brann (1965).

It was assigned to Nuculana by Palmer and Brann (1965); to Nuculanidae by Dockery (1980), Vokes (1980), Moore (1983), Squires (1987) and Squires (2001); to Nuculoida by Sepkoski (2002); and to Veteranellinae by Ayoub-Hannaa et al. (2017).

Synonymy list
YearName and author
1946Hilgardia Harris
1965Nuculana (Hilgardia) Palmer and Brann
1980Hilgardia Dockery p. 147
1980Hilgardia Vokes p. 5
1983Hilgardia Moore p. A22
1987Hilgardia Squires p. 54
2001Hilgardia Squires p. 15
2002Hilgardia Sepkoski
2017Hilgardia Ayoub-Hannaa et al. p. 435

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
RankNameAuthor
—Eubivalvia
subclassProtobranchia(Pelseneer 1889)
superorderNuculaniformiiCarter et al. 2000
orderNuculanida(Carter et al. 2000)
superfamilyNuculanoideaAdams and Adams 1858
familyNuculanidaeAdams and Adams 1858
subfamilyVeteranellinae
genusHilgardiaHarris 1946

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.

G. †Hilgardia Harris 1946
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†Hilgardia multilineata Conrad 1854
†Hilgardia parkei Anderson and Hanna 1925
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Entire body: yesf
Adult length: 1.0 to < 10f
Adult width: 1.0 to < 10f
Adult height: 1.0 to < 10f
Thickness: thinf
Folds: nonef
Ribbing: minorf
Spines: nonef
Internal reinforcement: nonef
Ontogeny: accretionf
Environment: coastal, inner shelf, outer shelf, oceanicf
Locomotion: facultatively mobilef
Life habit: infaunalf
Diet: deposit feederf
Diet 2: suspension feederf
Vision: blindc
Created: 2007-07-27 04:12:34
Modified: 2009-08-18 20:13:18
Source: f = family, c = class
References: Aberhan et al. 2004, Kiessling 2004

Age range: base of the Selandian to the top of the Late/Upper Eocene or 61.60000 to 33.90000 Ma

Collections (46 total)


Time interval Ma Country or state Original ID and collection number
Danian - Thanetian66.0 - 56.0Russian Federation H. parkei (49981 50039)
Selandian - Ypresian61.6 - 47.8Russian Federation (Kamchatka) H. coosensis (202260)
Ypresian56.0 - 47.8USA (California) H. parkei (51942)
Lutetian47.8 - 41.3USA (California) H. parkei (178733)
Lutetian - Bartonian47.8 - 38.0USA (Alabama) Nuculana multilineata (205490)
Lutetian - Priabonian47.8 - 33.9USA (Louisiana) H. multilineata (1294 1417 1418 1419 1420)
Lutetian - Priabonian47.8 - 33.9USA (Mississippi) H. multilineata (1282 1283 1284 1285 1293 1422 1423 1424 1425 1426 1431 1432 1433 1434)
Bartonian41.3 - 38.0USA (Louisiana) H. multilineata (1413 1414 1415 91115)
Bartonian41.3 - 38.0USA (Mississippi) Calorhadia multilineata (205526) H. coelatoides, H. multilineata (90709) H. multilineata (90643 90704 90707 91097 92174 92393 99632 99675 99736 164232) H. multiliniata (205508) Nuculana multilineata (205535)
Bartonian41.3 - 38.0USA (Arkansas) H. multilineata (91867)
Priabonian38.0 - 33.9USA (Arkansas) H. multilineata (91085)
Late/Upper Eocene37.2 - 33.9USA (Mississippi) Leda multilineata (208935)