PBDB Taxon

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

Christitys

Gastropoda - Neogastropoda - Perissityidae

Taxonomy

Christitys was named by Popenoe and Saul (1987) [Sepkoski's age data: K Coni K Camp-l Sepkoski's reference number: 727]. Its type is Christitys medica.

It was assigned to Perissityidae by Popenoe and Saul (1987), Saul (1988); and to Neogastropoda by Sepkoski (2002).

Species

C. delta, C. martini, C. medica (type species)

Synonymy list

Year	Name and author
1987	Christitys Popenoe and Saul p. 28
1988	Christitys Saul p. 16
2002	Christitys Sepkoski

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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)
superorder	Latrogastropoda	Riedel 2000
order	Neogastropoda	Thiele 1929
superfamily	Buccinaceae	(Rafinesque 1815)
family	Perissityidae
genus	Christitys

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.

G. †Christitys Popenoe and Saul 1987

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†Christitys delta Popenoe and Saul 1987

†Christitys martini Popenoe and Saul 1987

†Christitys medica Popenoe and Saul 1987

Diagnosis

Reference	Diagnosis
W. P. Popenoe and L. R. Saul 1987	Compactly turriculate to pyriform gastropods of small to moderate size with an angulate whorl periphery made nodose by short axial ribs. Aperture deltoid in shape with a broad posterior sinus adapical to the whorl periphery. Outer lip with posterior and medial denticulations. Columella with a fold near the base of the previous whorl and posterior and anterior denticulations.

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

actively mobileo

Life habit:

epifaunalo

Diet:

carnivoreo

Vision:

limitedc

Created:

2004-02-29 11:41:42

Modified:

2009-09-10 10:56:35

Source: o = order, c = class

Reference: Kiessling 2004

Age range: base of the Coniacian to the top of the Middle Campanian or 89.80000 to 72.20000 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Coniacian	89.8 - 85.7	USA (California)	C. delta (86783 215318)
Coniacian - Santonian	89.8 - 83.6	USA (California)	C. delta (185736)
Early/Lower Santonian	85.7 - 83.6	USA (California)	C. medica (215293)
Early/Lower Campanian	83.6 - 72.2	USA (Alaska)	C. martini (72110)
Middle Campanian	83.6 - 72.2	USA (California)	C. martini (144762)