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Physa lactaena

Gastropoda - Physidae

Taxonomy
Physa lactaena was named by Russell (1935). Its type specimen is GSC 8851, a partial shell, and it is not a trace fossil. Its type locality is Deadhorse Coulee, Locality 8, which is in a Santonian terrestrial horizon in the Milk River Formation of Canada.

Synonymy list
YearName and author
1935Physa lactaena Russell pp. 119-120 figs. Pl. 1:7

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropodaCuvier 1797
subclassPulmonataCuvier 1817
RankNameAuthor
Basommatophora(Keferstein 1864)
HygrophilaFerussac 1822
superfamilyPlanorboideaRafinesque 1815
familyPhysidaeFitzinger 1833
subfamilyPhysinaeFitzinger 1833
tribePhysiniFitzinger 1833
genusPhysaDraparnaud 1801
specieslactaena

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitesubc
Environment: freshwaterf
Locomotion: actively mobilesubc
Life habit: epifaunalc
Vision: limitedc
Created: 2017-04-17 10:17:02
Modified: 2017-04-17 10:17:02
Source: f = family, subc = subclass, c = class
References: Kiessling 2004, Bush and Bambach 2015

Age range: Late/Upper Santonian or 85.80000 to 83.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Santonian85.8 - 83.5Canada (Alberta) Physa lactaena (type locality: 71486)