PBDB Taxon

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

Pseudoperissolax tricarnatus

Gastropoda - Neogastropoda - Muricidae

Taxonomy

Perissolax tricarnatus was named by Weaver (1905).

It was recombined as Pseudoperissolax tricarnatus by Squires (2015).

Synonymy list

Year	Name and author
1905	Perissolax tricarnatus Weaver p. 121 figs. Pl. 13, Fig. 9
1949	Perissolax tricarinatus Weaver p. 55
2015	Pseudoperissolax tricarnatus Squires pp. 579 - 581 figs. Figures 3.1 - 3.11

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Gastropoda
subclass	Caenogastropoda	(Cox 1959)

Rank	Name	Author
—	Sorbeoconcha	(Ponder and Lindberg 1997)
—	Hypsogastropoda	(Ponder and Lindberg 1997)
superorder	Latrogastropoda	Riedel 2000
order	Neogastropoda	Thiele 1929
superfamily	Muricoidea	de Costa 1776
family	Muricidae	Rafinesque 1815
subfamily	Muricinae	da Costa 1776
genus	Pseudoperissolax
species	tricarnatus	()

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.

†Pseudoperissolax tricarnatus Weaver 1905

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Diagnosis

Reference	Diagnosis
R. L. Squires 2015	Shell size moderately small; last whorl with three, rarely four, carinae, equally spaced and nearly of equal strength; carinae with weak numerous nodes; varices rare and mostly on last whorl dorsum.

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

actively mobilef

Life habit:

epifaunalf

Diet:

carnivoref

Vision:

limitedc

Created:

2009-09-10 08:22:24

Modified:

2009-09-10 10:22:24

Source: f = family, c = class

References: Hendy et al. 2009, Kiessling 2004

Age range: base of the Danian to the top of the Thanetian or 66.00000 to 56.00000 Ma

Collections (16 total)

Time interval	Ma	Country or state	Original ID and collection number
Danian	66.0 - 61.6	USA (California)	Perissolax blakei (193035) Perissolax tricarnatus (37389 37396)
Paleocene	66.0 - 56.0	USA (California)	Perissolax tricarnatus (190778 190781 190788 190798 190800)
Selandian	61.6 - 59.2	USA (California)	Perissolax tricarnatus (184016)
Thanetian	59.2 - 56.0	USA (California)	Perissolax tricarinatus (52610 52612 52613 52618) Perissolax tricarnatus (52611) Pseudoperissolax tricarnatus (214289 214290)