PBDB Taxon

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

Litorhadia astoriana

Bivalvia - Nuculanida - Nuculanidae

Taxonomy

Yoldia (Portlandia) astoriana was named by Henderson (1920).

It was recombined as Nuculana astoriana by Grant, IV and Gale (1931), Durham (1944); it was recombined as Litorhadia astoriana by Moore (1963), Moore (1983).

Sister species lacking formal opinion data

L. albirupina, L. milamensis, L. undulata, L. valdefragilis

Synonyms

Nucula impressa was named by Conrad (1849). It is extant.

It was replaced with Yoldia (Portlandia) astoriana by Henderson (1920); it was recombined as Yoldia impressa by Conrad (1865), Gabb (1869), Hall (2002).
Leda subimpressa was named by Howe (1922). It is extant.

It was synonymized subjectively with Nuculana astoriana by Grant and IV and Gale (1931).

Synonymy list

Year	Name and author
1849	Nucula impressa Conrad p. 726
1865	Yoldia impressa Conrad
1869	Yoldia impressa Gabb p. 59
1920	Yoldia (Portlandia) astoriana Henderson
1922	Leda subimpressa Howe p. 97 figs. Pl. 10, fig. 3
1931	Nuculana astoriana Grant, IV and Gale p. 122 figs. Plate 32, Figures 46, 47, 48
1944	Nuculana astoriana Durham p. 134
1963	Litorhadia astoriana Moore p. 56 figs. Plate 12, figures 11, 14, 17, 21
1983	Litorhadia astoriana Moore p. A23 figs. Plate 3,figure 9
2002	Yoldia impressa Hall p. 365

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

Rank	Name	Author
—	Eubivalvia
subclass	Protobranchia	(Pelseneer 1889)
superorder	Nuculaniformii	Carter et al. 2000
order	Nuculanida	(Carter et al. 2000)
superfamily	Nuculanoidea	Adams and Adams 1858
family	Nuculanidae	Adams and Adams 1858
genus	Litorhadia	()
species	astoriana	(Henderson 1920)

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.

†Litorhadia astoriana Henderson 1920

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Invalid names: Leda subimpressa Howe 1922 [synonym], Nucula impressa Conrad 1849 [replaced]

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 Late/Upper Albian to the top of the Langhian or 106.30000 to 13.82000 Ma

Collections (7 total)

Time interval	Ma	Country or state	Original ID and collection number
Albian	113.2 - 100.5	United Kingdom (England)	Nucula impressa (51597)
Late/Upper Albian	106.3 - 100.5	United Kingdom (England)	Nucula impressa (6280 51673)
Oligocene	33.9 - 23.04	USA (Washington)	Nuculana astoriana (208177)
Burdigalian	20.45 - 15.98	USA (Oregon)	Litorhadia astoriana (39805)
Burdigalian - Langhian	20.45 - 13.82	USA (Oregon)	Litorhadia astoriana (39595)
Langhian	15.98 - 13.82	USA (Oregon)	Litorhadia astoriana (39700)