PBDB Taxon

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Ezonuculana mactraeformis

Bivalvia - Nuculanida - Nuculanidae

Taxonomy

Nuculana mactraeformis was named by Nagao (1932) [AUTHORSHIP: Authority date uncertain.]. It is a 3D body fossil.

It was recombined as Ezonuculana mactraeformis by Tashiro and Kozai (1982).

Sister species lacking formal opinion data

E. obsoleta

Synonymy list

Year	Name and author
1932	Nuculana mactraeformis Nagao
1982	Ezonuculana mactraeformis Tashiro and Kozai p. 70

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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	Ezonuculana	Nagao 1938
species	mactraeformis	(Nagao 1932)

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.

†Ezonuculana mactraeformis Nagao 1932

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Diagnosis

No diagnoses are available

Measurements

part	N	mean
height	1	7.00

Composition:

aragonitef

Entire body:

yess

Adult length:

10 to < 100s

Adult width:

1.0 to < 10s

Adult height:

1.0 to < 10s

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

Comments:

DIMENSIONS: Tashiro and Kozai (1982).s

Created:

2009-02-27 21:36:28

Modified:

2009-02-27 23:48:30

Source: s = species, f = family, c = class

References: Aberhan et al. 2004, Kiessling 2004, Tashiro and Kozai 1982

Age range: base of the Barremian to the top of the Early/Lower Campanian or 125.77000 to 72.20000 Ma

Collections (33 total)

Time interval	Ma	Country or state	Original ID and collection number
Barremian	125.77 - 121.4	China	Jupiteria mactraeformis (50896)
Coniacian	89.8 - 85.7	Japan (Hidaka)	Jupiteria mactraeformis (40587)
Coniacian	89.8 - 85.7	Japan (Teshio)	Jupiteria mactraeformis (40122)
Coniacian	89.8 - 85.7	Japan	Jupiteria mactraeformis (39903)
Early/Lower Coniacian	89.8 - 85.7	Japan (Fukushima)	Jupiteria mactraeformis (39626)
Late/Upper Santonian	85.7 - 83.6	Japan	Ezonuculana mactraeformis (82351 82353 82354 82355 87009 115285 115287 115289 115290 115295 115298)
Santonian	85.7 - 83.6	Japan (Teshio)	Jupiteria mactraeformis (40126)
Santonian	85.7 - 83.6	Japan (Hidaka)	Jupiteria mactraeformis (40588)
Santonian	85.7 - 83.6	Japan	Jupiteria mactraeformis (39904)
Campanian	83.6 - 72.2	Japan (Hyogo)	Jupiteria mactraeformis (39575)
Campanian	83.6 - 72.2	Japan	Jupiteria mactraeformis (39902)
Campanian	83.6 - 72.2	Japan (Hidaka)	Jupiteria mactraeformis (40589)
Campanian	83.6 - 72.2	Japan (Osaka, Wakayama)	Jupiteria mactraeformis (39905)
Campanian	83.6 - 72.2	Japan (Teshio)	Jupiteria mactraeformis (39821)
Early/Lower Campanian	83.6 - 72.2	Japan	Ezonuculana mactraeformis (82331 82334 82338 82340 82344 82346 82381 82382)
Late/Upper Campanian	83.6 - 72.2	Japan (Ibaraki)	Jupiteria mactraeformis (40235)