PBDB Taxon

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

Nucula (Nucula) trigonula

Bivalvia - Nuculida - Nuculidae

Taxonomy

Nucula trigonula was named by Wood (1840) [DISTRIBUTION: Late Miocene-Pleistocene; Europe.]. It is a 3D body fossil.

It was recombined as Nucula (Nucula) trigonula by Hendy (2007).

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. 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
1840	Nucula trigonula Wood
1850	Nucula trigonula Wood p. 86
1851	Nucula trigonula Wood
2005	Nucula trigonula Vandenberghe et al.
2007	Nucula (Nucula) trigonula Hendy

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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	trigonula	(Wood 1840)

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) trigonula Wood 1840

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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 Tortonian to the top of the Gelasian or 11.62000 to 1.80600 Ma

Collections (12 total)

Time interval	Ma	Country or state	Original ID and collection number
Tortonian	11.62 - 7.246	Belgium	Nucula trigonula (77863 77864 77870 77871)
Zanclean	5.333 - 3.6	United Kingdom (England)	Nucula trigonula (84755)
Zanclean	5.333 - 3.6	Belgium	Nucula trigonula (86801 86802)
Zanclean - Piacenzian	5.333 - 2.588	Netherlands (Noord-Brabant)	Nucula trigonula (59003)
Piacenzian	3.6 - 2.588	Belgium	Nucula trigonula (86803 86804 86805)
Gelasian	2.588 - 1.806	Belgium	Nucula trigonula (86807)