PBDB Taxon

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

Yoldia (Cnesterium) supraoregona

Bivalvia - Nuculanida - Yoldiidae

Taxonomy

Yoldia (Cnesterium) supraoregona was named by Khomenko (1931) [DISTRIBUTION: Cenozoic; North Pacific.]. It is not a trace fossil.

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

Synonyms

Yoldia subalta was named by Kristofovich (1984) [DISTRIBUTION: Cenozoic; North Pacific.]. It is not a trace fossil.

It was synonymized subjectively with Yoldia (Cnesterium) supraoregona by Kafanov et al. (2001).

Synonymy list

Year	Name and author
1931	Yoldia (Cnesterium) supraoregona Khomenko
1984	Yoldia subalta Kristofovich p. 165
2001	Yoldia (Cnesterium) supraoregona Kafanov et al.

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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	supraoregona	Khomenko 1931

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) supraoregona Khomenko 1931

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Invalid names: Yoldia subalta Kristofovich 1984 [synonym]

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: base of the Rupelian to the top of the Early/Lower Pliocene or 33.90000 to 3.60000 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Rupelian	33.9 - 28.1	Russian Federation	Yoldia supraoregona (49975) Yoldia supraoregona, Yoldia subalta (49980)
Rupelian - Aquitanian	33.9 - 20.44	Russian Federation	Yoldia supraoregona (50079)
Chattian	28.1 - 23.03	Russian Federation	Yoldia supraoregona (50178)
Early/Lower Pliocene	5.333 - 3.6	Russian Federation	Yoldia supraoregona (70472)
Pliocene	5.333 - 2.588	Russian Federation	Yoldia supraoregona (49976)