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Megayoldia (Portlandella) pilvoensis

Bivalvia - Nuculanida - Sareptidae

Taxonomy
Yoldia pilvoensis was named by Slodkewitsch (1938) [DISTRIBUTION: Cenozoic; North Pacific.]. It is not a trace fossil.

It was recombined as Megayoldia (Portlandella) pilvoensis by Kafanov et al. (2001).

Sister species lacking formal opinion data
M. tokunagai, M. karaginskiensis, M. olympiana, M. scapha

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

    It was synonymized subjectively with Megayoldia (Portlandella) pilvoensis by Kafanov et al. (2001).
Synonymy list
YearName and author
1938Yoldia pilvoensis Slodkewitsch
1984Yoldia obtusata Kristofovich p. 168 figs. pl. 29, fig. 14
2001Megayoldia (Portlandella) pilvoensis Kafanov et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
RankNameAuthor
subclassProtobranchia(Pelseneer 1889)
superorderNuculaniformiiCarter et al. 2000
orderNuculanida(Carter et al. 2000)
superfamilyNuculanoideaAdams and Adams 1858
familySareptidaeAdams 1860
subfamilyYoldiinae(Dall 1908)
genusMegayoldiaVerrill and Bush 1897
subgenusPortlandella()
speciespilvoensis(Slodkewitsch 1938)

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.

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Invalid names: Yoldia obtusata Kristofovich 1984 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobilef
Life habit: infaunalf
Diet: deposit feederf
Vision: blindc
Created: 2009-08-18 18:13:31
Modified: 2009-08-18 20:13:31
Source: f = family, c = class
References: Hendy et al. 2009, Aberhan et al. 2004

Age range: base of the Maastrichtian to the top of the Late/Upper Miocene or 72.10000 to 5.33300 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Maastrichtian72.1 - 66.0Serbia and Montenegro Yoldia obtusata (1380)
Rupelian33.9 - 28.1Russian Federation Megayoldia pilvoensis, Yoldia obtusata (49980)
Late/Upper Miocene11.608 - 5.333Russian Federation Megayoldia pilvoensis (70465)