PBDB Taxon

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

Yoldia (Cnesterium) yamagatana

Bivalvia - Nuculanida - Yoldiidae

Taxonomy

Yoldia yamagatana was named by Nomura and Zinbo (1937) [DISTRIBUTION: Miocene; Japan.]. It is not a trace fossil.

It was recombined as Yoldia (Cnesterium) yamagatana by Hatai and Nisiyama (1952).

Sister species lacking formal opinion data

Y. breweri, Y. clallamensis, Y. emersoni, Y. frater, Y. leurovata, Y. longa, Y. multiconcentrica, Y. oblongoides, Y. palachei, Y. praeposneri, Y. scitula, Y. septariana, Y. sobrina, Y. soror, Y. subacuta, Y. franciscoi, Y. siliqua, Y. caudata, Y. kovatschensis, Y. posneri

Synonymy list

Year	Name and author
1937	Yoldia yamagatana Nomura and Zinbo p. 165 figs. pl. 22, fig. 1
1952	Yoldia (Cnesterium) yamagatana Hatai and Nisiyama

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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	Nuculaniformii	Carter et al. 2000
order	Nuculanida	(Carter et al. 2000)
superfamily	Nuculanoidea	Adams and Adams 1858
family	Yoldiidae	Habe 1977
genus	Yoldia	Möller 1842
subgenus	Cnesterium	(Dall 1898)
species	yamagatana	(Nomura and Zinbo 1937)

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.

†Yoldia (Cnesterium) yamagatana Nomura and Zinbo 1937

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitef

Adult length:

10 to < 100f

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:

inner shelf, outer shelf, oceanicf

Locomotion:

facultatively mobileg

Life habit:

infaunalg

Diet:

deposit feederg

Vision:

blindc

Created:

2009-09-09 13:24:31

Modified:

2009-09-09 15:24:41

Source: g = genus, f = family, c = class

References: Aberhan et al. 2004, Sanchez Roig 1926, Mikkelsen and Bieler 2008

Age range: Middle Miocene or 15.97000 to 11.60800 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Middle Miocene	15.97 - 11.608	Japan	Yoldia yamagatana (70304)