PBDB Taxon

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

Alvania lettana

Gastropoda - Rissoidae

Taxonomy

Rissoa lettana was named by Winkle (1918).

It was recombined as Alvania lettana by Effinger (1938).

Sister species lacking formal opinion data

A. areolifera, A. barreti, A. brachia, A. curta, A. dinora, A. epulata, A. galapagensis, A. halia, A. hoodensis, A. iliuliukensis, A. lirata, A. nemo, A. oldroydi, A. tenuicostata, A. veleroana, A. gontsharovae, A. obliquistoma, A. montensis, A. sculpta

Synonymy list

Year	Name and author
1918	Rissoa lettana Winkle figs. pl. 7, fig. 13
1938	Alvania lettana Effinger p. 379

Is something missing? Join the Paleobiology Database and enter the data

Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Gastropoda

Rank	Name	Author
subclass	Caenogastropoda	(Cox 1959)
—	Sorbeoconcha	(Ponder and Lindberg 1997)
—	Hypsogastropoda	(Ponder and Lindberg 1997)
superfamily	Rissooidea	Gray 1847
family	Rissoidae	Gray 1847
genus	Alvania	Risso 1826
species	lettana	()

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.

†Alvania lettana Winkle 1918

show all | hide all

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

actively mobilef

Life habit:

epifaunalf

Diet:

grazerf

Vision:

limitedc

Created:

2009-09-10 07:55:20

Modified:

2009-09-10 09:55:20

Source: f = family, c = class

References: Kiessling 2004, Hendy et al. 2009

Age range: Priabonian or 38.00000 to 33.90000 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Priabonian	38.0 - 33.9	USA (Washington)	Alvania lettana (40733)