PBDB Taxon

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

Nucula (Nucula) smithvillensis

Bivalvia - Nuculida - Nuculidae

Taxonomy

Nucula (Nucula) smithvillensis was named by Stenzel and Twining (1957) [m. kosnik taxon no: 6763; DISTRIBUTION: Eocene; Gulf Coastal Plain.]. It is not a trace fossil.

Sister species lacking formal opinion data

N. angusta, N. calliope, N. cipleyensis, N. ciplyensis, N. cochlear, N. dasa, N. defuniak, N. dixoni, N. fritschi, N. guillermensis, N. indica, N. meadinga, N. microconcentrica, N. otamatea, N. pectinata, N. percrassa, N. potomacensis, N. praelongata, N. pulchra, N. rivulana, N. sagittata, N. stachei, N. subtrigona, N. silicea, N. mametschinskensis, N. planata, N. aptera, N. waiaotea, N. waiotea, N. eudorae

Synonymy list

Year	Name and author
1957	Nucula (Nucula) smithvillensis Stenzel and Twining p. 44 figs. pl. 4, figs. 5-7
1965	Nucula (Nucula) smithvillensis Palmer and Brann p. 213
2002	Nucula (Nucula) smithvillensis Kosnik

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

Rank	Name	Author
subclass	Protobranchia	(Pelseneer 1889)
superorder	Nuculiformii	Dall 1889
order	Nuculida	(Dall 1889)
superfamily	Nuculoidea	(Gray 1824)
family	Nuculidae	Gray 1824
genus	Nucula	Lamarck 1799
subgenus	Nucula	Lamarck 1799
species	smithvillensis	Stenzel and Twining 1957

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.

†Nucula (Nucula) smithvillensis Stenzel and Twining 1957

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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:

2008-11-15 10:09:53

Modified:

2009-08-18 20:13:53

Source: f = family, c = class

References: Aberhan et al. 2004, Mikkelsen and Bieler 2008

Age range: base of the Ypresian to the top of the Bartonian or 56.00000 to 38.00000 Ma

Collections (16 total)

Time interval	Ma	Country or state	Original ID and collection number
Ypresian	56.0 - 47.8	USA (Texas)	Nucula smithvillensis (7788)
Lutetian	47.8 - 41.3	USA (Texas)	Nucula smithvillensis (90455 205533 205544)
Lutetian - Priabonian	47.8 - 33.9	USA (Louisiana)	Nucula smithvillensis (1418 1419 1420)
Lutetian - Priabonian	47.8 - 33.9	USA (Mississippi)	Nucula smithvillensis (1282 1285 1293 1430 1431 1432 1433 1434)
Bartonian	41.3 - 38.0	USA (Louisiana)	Nucula smithvillensis (1414)