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Ledina fresnoensis

Bivalvia - Nuculanida - Nuculanidae

Taxonomy
Leda fresnoensis was named by Dickerson (1916). It is a 3D body fossil. Its type locality is UCMP 1817, Urruttia Canyon-Salt Creek, which is in a Ypresian deep-water shale in the Lodo Formation of California.

It was recombined as Nuculana fresnoensis by Turner (1938); it was recombined as Calorhadia (Litorhadia) fresnoensis by Vokes (1939); it was recombined as Ledina fresnoensis by Moore (1983), Squires (1988).

Sister species lacking formal opinion data
Leda bonellii, L. paucigradata, L. taioma, L. turgeo

Synonymy list
YearName and author
1916Leda fresnoensis Dickerson p. 483 figs. Plate 36, figures 2a, 2b
1938Nuculana fresnoensis Turner p. 42
1939Calorhadia (Litorhadia) fresnoensis Vokes pp. 43 - 44 figs. PLATE I, FIGURE 5
1983Ledina fresnoensis Moore p. A22 figs. Plate 3, figures 4, 5
1988Ledina fresnoensis Squires p. 206

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
RankNameAuthor
subclassProtobranchia(Pelseneer 1889)
superorderNuculaniformiiCarter et al. 2000
orderNuculanida(Carter et al. 2000)
superfamilyNuculanoideaAdams and Adams 1858
familyNuculanidaeAdams and Adams 1858
subfamilyNuculaninaeAdams and Adams 1858
genusLedinaDall 1898
speciesfresnoensis()

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.

†Ledina fresnoensis Dickerson 1916
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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: Kiessling 2004, Aberhan et al. 2004

Age range: base of the Danian to the top of the Ypresian or 66.00000 to 48.07000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Danian - Thanetian66.0 - 56.0Russian Federation Ledina fresnoensis (49981)
Ypresian56.0 - 48.07USA (California) Leda fresnoensis (122294) Nuculana fresnoensis (238132)
Ypresian - Lutetian56.0 - 41.03USA (Oregon) Nuculana fresnoensis (200885)