PBDB Taxon

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

Damesites

Cephalopoda - Ammonitida - Desmoceratidae

Taxonomy

Damesites was named by Matsumoto (1942) [Sepkoski's age data: K Ceno K Camp-u]. Its type is Desmoceras damesi.

It was assigned to Ammonoidea by Sepkoski (2002); to Desmoceratinae by Matsumoto (1959), Summesberger (1980), Kennedy (1995), Kennedy and Klinger (2013), Kennedy (2018); and to Desmoceratidae by Howarth (1966), Wright et al. (1996), Shigeta and Izukura (2018).

Species

D. ainuanus, D. damesi, D. hetonaiensis (syn. Neokotoceras fresnoense), D. laticarinatus, D. semicostatus, D. sugata (syn. Kotoceras subsugatum, Kotoceras frazierense, Desmoceras compactum, Kotoceras richardsoni)

Synonyms

Kotoceras was named by Yabe (1927).

It was replaced with Damesites by Kennedy (1995), Wright et al. (1996), Kennedy and Klinger (2013).
Neokotoceras was named by Anderson (1958).

It was synonymized subjectively with Damesites by Kennedy (1995), Kennedy and Klinger (2013).

It was assigned to Desmoceratidae by Anderson (1958), Jones (1963).

Synonymy list

Year	Name and author
1927	Kotoceras Yabe p. 36
1942	Damesites Matsumoto p. 24
1958	Neokotoceras Anderson
1959	Damesites Matsumoto p. 11
1963	Neokotoceras Jones p. 34
1966	Damesites Howarth p. 222
1980	Damesites Summesberger p. 278
1995	Damesites Kennedy p. 398
1996	Damesites Wright et al. p. 83
2002	Damesites Sepkoski
2013	Damesites Kennedy and Klinger p. 44
2018	Damesites Kennedy p. 672
2018	Damesites Shigeta and Izukura p. 16

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Cephalopoda	Cuvier 1797

Rank	Name	Author
subclass	Ammonoidea	()
order	Ammonitida	Haeckel 1866
suborder	Ammonitina	Hyatt 1889
superfamily	Desmoceratoidea	(Zittel 1895)
family	Desmoceratidae	Zittel 1895
subfamily	Desmoceratinae	Zittel 1895
genus	Damesites	Matsumoto 1942

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. †Damesites Matsumoto 1942

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†Damesites ainuanus Matsumoto 1957

†Damesites damesi Jimbo 1894

†Damesites damesi intermedius Matsumoto 1954

†Damesites hetonaiensis Matsumoto 1942

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Invalid names: Neokotoceras fresnoense Anderson 1958 [synonym]

†Damesites laticarinatus Saito and Matsumoto 1956

†Damesites semicostatus Matsumoto 1942

†Damesites sugata Forbes 1846

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Invalid names: Desmoceras compactum van Hoepen 1921 [synonym], Kotoceras frazierense Anderson 1958 [synonym], Kotoceras richardsoni Anderson 1958 [synonym], Kotoceras subsugatum Anderson 1958 [synonym]

Invalid names: Kotoceras Yabe 1927 [replaced], Neokotoceras Anderson 1958 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	3	18.5	14.4	23.2	19.0	4.40
shell diameter	3	36.2	30.0	45.3	35.0	7.80
shell inflation	3	2.89	2.20	3.90	2.80	0.862

Composition:

aragoniteo

Environment:

marinec

Locomotion:

fast-movingo

Life habit:

nektonico

Diet:

carnivoreo

Vision:

well-developedc

Created:

2005-01-28 02:27:03

Modified:

2009-10-08 14:14:55

Source: o = order, c = class

References: Kiessling 2003, Kiessling 2004

Age range: base of the Early/Lower Albian to the top of the Maastrichtian or 113.20000 to 66.00000 Ma

Collections (73 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Albian	113.2 - 110.1	South Africa	D. sp. (66073)
Late/Upper Cenomanian	100.5 - 93.9	USA (Wyoming)	D. sp. Cobban 1988 (233803)
Cenomanian - Turonian	100.5 - 89.8	Japan	D. laticarinatus (233829)
Middle Turonian	93.9 - 89.8	Angola	D. ainuanus (69809)
Middle Turonian	93.9 - 89.8	Japan	D. ainuanus (69155 69157 69158 69162 69163 69166 69169 69172)
Turonian	93.9 - 89.8	USA (California)	Kotoceras frazierense (44205)
Turonian	93.9 - 89.8	Japan (Hokkaido)	D. sp. (94688)
Turonian	93.9 - 89.8	Japan	D. ainuanus (69159 69160 69164 69165 69167 69170 69171 69174)
Late/Upper Turonian - Coniacian	93.9 - 85.7	USA (California)	Kotoceras frazierense (215571)
Coniacian	89.8 - 85.7	USA (California)	D. damesi (86783) D. sp. (88628) Kotoceras richardsoni (44270 158090) Kotoceras richardsoni, Kotoceras subsugatum (44271)
Coniacian	89.8 - 85.7	Japan (Hokkaido)	D. damesi (94690)
Early/Lower Coniacian	89.8 - 85.7	Brazil	D. sp. (140901)
Early/Lower Coniacian	89.8 - 85.7	Japan	D. damesi (181021)
Early/Lower Coniacian	89.8 - 85.7	Angola	D. ainuanus (210898)
Early/Lower Coniacian	89.8 - 85.7	India (Tamil Nadu)	D. sugata (198605 198607)
Late/Upper Coniacian	89.8 - 85.7	France	D. sugata (179219)
Coniacian - Santonian	89.8 - 83.6	Japan (Hokkaido)	D. sp., D. damesi (193939)
Coniacian - Santonian	89.8 - 83.6	USA (California)	D. damesi (224925)
Coniacian - Santonian	89.8 - 83.6	South Africa	D. sugata (177456)
Late/Upper Coniacian - Santonian	89.8 - 83.6	Spain	D. sp. (66969)
Early/Lower Santonian	85.7 - 83.6	Japan (Sapporo)	D. semicostatus (98848)
Early/Lower Santonian	85.7 - 83.6	France	D. damesi (179252) D. sugata (179251) D. sugata, D. damesi (179250)
Early/Lower Santonian	85.7 - 83.6	Canada (British Columbia)	D. sp. (127684)
Early/Lower Santonian	85.7 - 83.6	Japan (Hokkaido)	D. semicostatus (94682)
Early/Lower Santonian	85.7 - 83.6	Spain	D. sp. (74454)
Late/Upper Santonian	85.7 - 83.6	South Africa	D. compactus (82463)
Late/Upper Santonian	85.7 - 83.6	Austria	D. compactus (178860)
Late/Upper Santonian	85.7 - 83.6	Canada (British Columbia)	D. sugata (210544 210549)
Middle Santonian	85.7 - 83.6	Angola	D. sugata (210904)
Santonian	85.7 - 83.6	Japan	D. sp. (62210 62211 62214 62331 62335) D. sp., D. damesi (62212 62217)
Santonian	85.7 - 83.6	Japan (Hokkaido)	D. semicostatus (94689)
Santonian	85.7 - 83.6	Russian Federation (Sakhalin)	Kotoceras damesi (64588)
Late/Upper Santonian - Early/Lower Campanian	85.7 - 72.2	Russian Federation	D. sugata (237027)
Campanian	83.6 - 72.2	Russian Federation (Sakhalin)	Kotoceras damesi (64590)
Campanian	83.6 - 72.2	Japan	D. sp. (62233)
Early/Lower Campanian	83.6 - 72.2	Japan (Hokkaido)	D. damesi (94679)
Early/Lower Campanian	83.6 - 72.2	Japan	D. damesi (236007)
Late/Upper Campanian	83.6 - 72.2	USA (Alaska)	D. hetonaiensis (64020)
Late/Upper Campanian	83.6 - 72.2	USA (California)	Neokotoceras fresnoense (86855)
Middle Campanian	83.6 - 72.2	Japan	D. sp. (199734)
Early/Lower Maastrichtian	72.2 - 66.0	USA (California)	D. hetonaiensis (86817 86854) Neokotoceras fresnoense, D. hetonaiensis (83776 86821)
Maastrichtian	72.2 - 66.0	Russian Federation (Sakhalin)	Kotoceras laeve (64608)