PBDB Taxon

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

Yoldia (Yoldia) rostriformis

Bivalvia - Nuculanida - Yoldiidae

Taxonomy

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

It was recombined as Yoldia (Yoldia) rostriformis by Kafanov et al. (2001).

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
1984	Yoldia rostriformis Gladenkov p. 172 figs. pl. 29, fig. 26
2001	Yoldia (Yoldia) rostriformis 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	Yoldia	Moeller 1842
species	rostriformis	(Gladenkov 1984)

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 (Yoldia) rostriformis Gladenkov 1984

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Diagnosis

No diagnoses are available