PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Yoldia (Cnesterium) aeolica

Bivalvia - Nuculanida - Yoldiidae

Taxonomy

Nucula aeolica was named by Valenciennes (1846). It is extant.

It was recombined as Yoldia (Cnesterium) aeolica by Hendy (2021).

Subspecies

Yoldia scissurata strigilata

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 scissurata was named by Dall (1897). It is extant.

It was recombined as Yoldia (Cnesterium) scissurata by Moore (1983); it was synonymized subjectively with Yoldia (Cnesterium) aeolica by Hendy (2020).
Yoldia seminuda was named by Dall (1871) [DISTRIBUTION: Cenozoic-Recent; North Pacific.]. It is extant.

It was recombined as Yoldia (Cnesterium) seminuda by Moore (1983), Coan et al. (2000) and Kafanov et al. (2001); it was synonymized subjectively with Yoldia (Cnesterium) aeolica by Hendy (2020).
Yoldia ensifera was named by Dall (1897) [HISTORY: Synonym of Y (C.) seminuda Dall 1871 [Coan et al. 2000].]. It is extant.

It was recombined as Yoldia (Cnesterium) ensifera by Moore (1983); it was synonymized subjectively with Yoldia seminuda by Coan et al. (2000).
Yoldia keppeliana was named by Sowerby (1904) [HISTORY: Synonym of Y (C.) seminuda Dall 1871 [Coan et al. 2000].]. It is extant.

It was synonymized subjectively with Yoldia seminuda by Coan et al. (2000) and Coan et al. (2000).
Yoldia (Cnesterium) strigata was named by Dall (1909) [HISTORY: Synonym of Y (C.) seminuda Dall 1871 [Coan et al. 2000].]. It is extant.

It was synonymized subjectively with Yoldia seminuda by Coan et al. (2000).
Yoldia (Cnesterium) johanni was named by Dall (1925) [HISTORY: Synonym of Y (C.) seminuda Dall 1871 [Coan et al. 2000].]. It is extant.

It was synonymized subjectively with Yoldia seminuda by Coan et al. (2000).
Yoldia imleri was named by Waterfall (1929) [HISTORY: Synonym of Y (C.) seminuda Dall 1871 [Coan et al. 2000].]. Its type specimen is UCMP 31420 and is a 3D body fossil. Its type locality is UCMP 7100, which is in a Calabrian marine horizon in the Pico Formation of California.

It was synonymized subjectively with Yoldia seminuda by Coan et al. (2000).
Yoldia kuluntunensis was named by Slodkevich (1936) [HISTORY: Synonym of Y (C.) seminuda Dall 1871 [Coan et al. 2000].]. It is extant.

It was synonymized subjectively with Yoldia seminuda by Coan et al. (2000).

Synonymy list

Year	Name and author
1846	Nucula aeolica Valenciennes
1871	Yoldia seminuda Dall
1897	Yoldia scissurata Dall p. 8
1897	Yoldia ensifera Dall p. 9
1903	Yoldia scissurata Arnold pp. 99 - 100 figs. Plate XVII, Fig. 13
1904	Yoldia keppeliana Sowerby p. 176
1909	Yoldia (Cnesterium) strigata Dall p. 104
1925	Yoldia (Cnesterium) johanni Dall p. 32
1929	Yoldia imleri Waterfall
1931	Yoldia scissurata Grant, IV and Gale p. 131
1936	Yoldia kuluntunensis Slodkevich p. 22
1964	Yoldia scissurata Faustman p. 114
1983	Yoldia (Cnesterium) ensifera Moore p. A27 figs. Plate 4, figure 21
1983	Yoldia (Cnesterium) scissurata Moore pp. A27 - A28 figs. Plate 4, figures 1, 2
1983	Yoldia (Cnesterium) seminuda Moore p. A28 figs. Plate 4, figures 7, 18, 19
1983	Yoldia (Cnesterium) strigata Moore p. A27 figs. Plate 4, figure 3
2000	Yoldia (Cnesterium) seminuda Coan et al. pp. 109, 111
2001	Yoldia (Cnesterium) seminuda Kafanov et al.
2021	Yoldia (Cnesterium) aeolica 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	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	aeolica	(Valenciennes 1846)

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) aeolica Valenciennes 1846

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Yoldia scissurata strigilata Dall 1909

Invalid names: Yoldia scissurata Dall 1897 [synonym], Yoldia seminuda Dall 1871 [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: Sanchez Roig 1926, Aberhan et al. 2004, Mikkelsen and Bieler 2008

Age range

Maximum range based only on fossils: base of the Late/Upper Oligocene to the top of the Middle Pleistocene or 28.40000 to 0.12900 Ma
Minimum age of oldest fossil (stem group age): 23.03 Ma

Collections (29 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Oligocene	28.4 - 23.03	Russian Federation	Yoldia johanni (70475)
Langhian - Tortonian	15.97 - 7.246	Russian Federation	Yoldia kuluntunensis (50048)
Tortonian	11.62 - 7.246	USA (Alaska)	Yoldia scissurata (37401 37404) Yoldiella scissurata (37407 37409 37416)
Tortonian	11.62 - 7.246	Russian Federation	Yoldia kuluntunensis (49978)
Tortonian - Messinian	11.62 - 5.333	Russian Federation	Yoldia kuluntunensis (50180)
Late/Upper Miocene	11.608 - 5.333	Russian Federation	Yoldia kuluntunensis (70477 70479)
Early/Lower Pliocene	5.333 - 3.6	USA (Oregon)	Yoldia strigata (71148)
Early/Lower Pliocene	5.333 - 3.6	Russian Federation	Yoldia kuluntunensis (50042)
Pliocene	5.333 - 2.588	Russian Federation	Yoldia kuluntunensis (70471) Yoldia seminuda, Yoldia kuluntunensis (50080)
Pliocene	5.333 - 2.588	USA (California)	Yoldia scissurata (194689)
Piacenzian	3.6 - 2.588	USA (California)	Yoldia scissurata (186031)
Early/Lower Pleistocene	2.588 - 0.781	USA (California)	Yoldia scissurata (168757 231899)
Calabrian	1.8 - 0.774	USA (California)	Yoldia imleri (220004)
Middle Pleistocene	0.774 - 0.129	USA (California)	Yoldia scissurata (96894 202634 202636 202639 202645 202647 203108 222663 223325)