PBDB Taxon

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

Mesopuzosia

Cephalopoda - Ammonitida - Desmoceratidae

Taxonomy

Mesopuzosia was named by Matsumoto (1954) [Sepkoski's age data: K Turo-l K Camp-l]. Its type is Mesopuzosia pacifica.

It was assigned to Puzosiidae by Matsumoto (1954); to Desmoceratidae by Howarth (1966), Matsumoto (1984); to Ammonoidea by Sepkoski (2002); and to Puzosiinae by Matsumoto (1959), Summesberger (1992), Kennedy (1995), Kennedy and Gale (2015), Kennedy (2018).

Species

M. densicostata, M. gaudama, M. indopacifica (syn. Puzosia eboroensis, Puzosia (Parapuzosia) hearni), M. intermedia, M. mobergi (syn. Puzosia gaudemarisi, Puzosia curvatisulcata, Puzosia orientale), M. pacifica (syn. Puzosia (Parapuzosia) klamathonae) (type species), M. yubarense

Species lacking formal opinion data

M. yubarensis

Synonymy list

Year	Name and author
1954	Mesopuzosia Matsumoto p. 79
1959	Mesopuzosia Matsumoto pp. 17 - 18
1966	Mesopuzosia Howarth p. 221
1984	Mesopuzosia Matsumoto p. 12
1992	Mesopuzosia Summesberger p. 108
1995	Mesopuzosia Kennedy p. 394
2002	Mesopuzosia Sepkoski
2015	Mesopuzosia Kennedy and Gale p. 511
2018	Mesopuzosia Kennedy p. 671

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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	Puzosiinae	Spath 1922
genus	Mesopuzosia

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. †Mesopuzosia Matsumoto 1954

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†Mesopuzosia densicostata Matsumoto 1954

†Mesopuzosia gaudama Forbes 1846

†Mesopuzosia indopacifica Kossmat 1898

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Invalid names: Puzosia (Parapuzosia) hearni Anderson 1958 [synonym], Puzosia eboroensis Collignon 1961 [synonym]

†Mesopuzosia intermedia Kossmat 1898

†Mesopuzosia mobergi de Grossouvre 1894

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Invalid names: Puzosia curvatisulcata Chatwin and Withers 1909 [synonym], Puzosia gaudemarisi Roman and Mazerin 1913 [synonym]

†Mesopuzosia pacifica Matsumoto 1954

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Invalid names: Puzosia (Parapuzosia) klamathonae Anderson 1958 [synonym]

†Mesopuzosia yubarense Jimbo 1894

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	7	85.3	17.0	240.0	190.0	100.5
shell diameter	7	221.8	40.0	615.0	540.0	276.5
shell inflation	7	76.2	12.0	229.0	198.0	103.7

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 2004, Kiessling 2003

Age range: base of the Late/Upper Cenomanian to the top of the Campanian or 100.50000 to 72.20000 Ma

Collections (62 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Cenomanian	100.5 - 93.9	Angola	Puzosia intermedia (175545)
Early/Lower Turonian	93.9 - 89.8	France	Puzosia gaudemarisi (82852)
Early/Lower Turonian	93.9 - 89.8	Venezuela (Trujillo)	M. sp. (88079)
Late/Upper Turonian	93.9 - 89.8	France	M. mobergi (175633)
Late/Upper Turonian	93.9 - 89.8	Japan (Hokkaido)	M. pacifica (94686)
Late/Upper Turonian	93.9 - 89.8	United Kingdom (England)	Puzosia curvatisulcata (175765 175784)
Late/Upper Turonian	93.9 - 89.8	USA (Washington)	M. sp. (210527)
Late/Upper Turonian	93.9 - 89.8	USA (California)	M. indopacifica (44211) M. sp. Matsumoto 1960 (215570) M. yubarense (238641) Puzosia hearni (158106)
Middle Turonian	93.9 - 89.8	USA (California)	M. pacifica (225675) M. sp. (215505 225640)
Middle Turonian	93.9 - 89.8	Austria	M. intermedia (175575)
Middle Turonian	93.9 - 89.8	Japan	M. pacifica (69163 69175) M. sp. (4877 69154 69155 69158 69162 69172) M. yubarensis (69157)
Middle Turonian	93.9 - 89.8	Angola	M. yubarensis (69809)
Middle Turonian	93.9 - 89.8	USA (Alaska)	M. indopacifica (51920)
Middle Turonian - Late/Upper Turonian	93.9 - 89.8	Japan	M. indopacifica (87012)
Turonian	93.9 - 89.8	Japan (Hokkaido)	M. yubarensis (94687)
Turonian	93.9 - 89.8	Japan	M. pacifica (69167 69174) M. sp. (65022 69159 69171)
Turonian	93.9 - 89.8	USA (Oregon)	Puzosia klamathonae (158110)
Turonian	93.9 - 89.8	USA (California)	M. sp. (86784) Puzosia klamathonae, M. pacifica (44213)
Turonian - Coniacian	93.9 - 85.7	USA (Alaska)	M. indopacifica (88940) M. sp. (88935 88941)
Turonian - Santonian	93.9 - 83.6	New Zealand	M. sp. (83452)
Coniacian	89.8 - 85.7	USA (Alaska)	M. sp. (88943)
Coniacian	89.8 - 85.7	Peru	Desmophyllites gaudama (88132 105520)
Early/Lower Coniacian	89.8 - 85.7	Japan (Fukushima)	M. pacifica (170188) M. yubarensis (73568 157763 157764 157765 157766 157767 157768 157769 157770)
Early/Lower Coniacian	89.8 - 85.7	Angola	M. indopacifica (210900)
Early/Lower Coniacian	89.8 - 85.7	India (Tamil Nadu)	M. gaudama (198605 198606 198607)
Late/Upper Coniacian	89.8 - 85.7	France	M. sp. (179217)
Early/Lower Santonian	85.7 - 83.6	USA (California)	M. densicostata (86956)
Campanian	83.6 - 72.2	Japan	M. densicostata (87024)
Campanian	83.6 - 72.2	Antarctica	M. sp. (83566)