PBDB Taxon

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

Hoplitoplacenticeras

Cephalopoda - Ammonitida - Placenticeratidae

Taxonomy

Hoplitoplacenticeras was named by Paulcke (1906) [Sepkoski's age data: K Camp-l K Maes-u Sepkoski's reference number: 2,1066].

It was assigned to Placenticeratidae by Kennedy et al. (1973), Atabekyan and Khakimov (1976), Matsumoto (1984), Klinger and Kennedy (1989), Kennedy et al. (1992), Kennedy and Summesberger (1999) and Courville and Odin (2001); and to Ammonoidea by Sepkoski (2002).

Species

H. (Hoplitoplacenticeras), H. (Lemfoerdiceras), H. costulosum, H. dolbergense, H. fugen, H. monju, H. plasticum, H. rarecostatum, H. rejaudryi (syn. Sonneratia rara), H. vari

Species lacking formal opinion data

H. antokasoense

Synonymy list

Year	Name and author
1906	Hoplitoplacenticeras Paulcke
1973	Hoplitoplacenticeras Kennedy et al. p. 102
1976	Hoplitoplacenticeras Atabekyan and Khakimov p. 77
1984	Hoplitoplacenticeras Matsumoto p. 23
1989	Hoplitoplacenticeras Klinger and Kennedy p. 355
1992	Hoplitoplacenticeras Kennedy et al. p. 270
1999	Hoplitoplacenticeras Kennedy and Summesberger p. 25
2001	Hoplitoplacenticeras Courville and Odin p. 536
2002	Hoplitoplacenticeras Sepkoski

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

Rank	Name	Author
class	Cephalopoda	Cuvier 1797
subclass	Ammonoidea	()
order	Ammonitida
suborder	Ammonitina	Hyatt 1889
superfamily	Hoplitoidea	(Douvillé 1890)
family	Placenticeratidae
genus	Hoplitoplacenticeras	Paulcke 1906

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. †Hoplitoplacenticeras Paulcke 1906

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Subg. †Hoplitoplacenticeras (Hoplitoplacenticeras) Paulcke 1907

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†Hoplites plasticus hauthali Paulcke 1907

†Hoplitoplacenticeras (Hoplitoplacenticeras) coesfeldiense Schluter 1867

†Hoplitoplacenticeras (Hoplitoplacenticeras) howarthi Collignon 1970

Invalid names: Hoplitoplacenticeras antokazoense Collignon 1970 [synonym], Hoplitoplacenticeras besairei Collignon 1970 [synonym], Hoplitoplacenticeras trangahyense Collignon 1970 [synonym]

†Hoplitoplacenticeras (Hoplitoplacenticeras) marroti Coquand 1859

†Hoplitoplacenticeras (Hoplitoplacenticeras) plasticum Paulcke 1907

†Hoplites plasticus costatus Paulcke 1907

†Hoplites plasticus laevis Paulcke 1907

†Hoplites plasticus semicostatus Paulcke 1907

†Hoplitoplacenticeras (Hoplitoplacenticeras) preyi Kennedy and Summesberger 1999

Subg. †Hoplitoplacenticeras (Lemfoerdiceras) Kennedy 1986

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†Hoplitoplacenticeras (Lemfoerdiceras) lafresnayanus d'Orbigny 1841

†Hoplitoplacenticeras (Lemfoerdiceras) lemfoerdensis Schluter 1872

†Hoplitoplacenticeras costulosum Schlüter 1867

†Hoplitoplacenticeras dolbergense Schluter 1876

†Hoplitoplacenticeras fugen Matsumoto 1984

†Hoplitoplacenticeras monju Matsumoto 1982

†Hoplitoplacenticeras plasticum Paulcke 1906

†Hoplitoplacenticeras rarecostatum Khakimov 1976

†Hoplitoplacenticeras rejaudryi de Grossouvre 1894

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Invalid names: Sonneratia rara de Grossouvre 1894 [synonym]

†Hoplitoplacenticeras vari Schlüter 1872

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	11	27.0	16.2	51.0	28.1	9.74
shell diameter	11	56.3	34.0	107.0	54.9	21.9
shell inflation	11	11.8	7.30	24.0	11.0	5.42

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 Coniacian to the top of the Late/Upper Maastrichtian or 89.80000 to 66.00000 Ma

Collections (51 total)

Time interval	Ma	Country or state	Original ID and collection number
Coniacian - Santonian	89.8 - 83.6	Chile	Hoplites plasticus (83690 83696)
Campanian	83.6 - 72.1	Japan	H. fugen, H. monju (87023)
Campanian	83.6 - 72.1	USA (Washington)	H. sp. (86868)
Campanian	83.6 - 72.1	South Africa	H. plasticum (82729)
Campanian	83.6 - 72.1	Portugal	H. marotti, H. besairiei (74563)
Early/Lower Campanian	83.5 - 70.6	Antarctica	H. plasticum (83354)
Early/Lower Campanian	83.5 - 70.6	USA (Texas)	H. plasticum (221086)
Late/Upper Campanian	83.5 - 70.6	Germany (Sachsen-Anhalt)	H. dolbergense (32024)
Late/Upper Campanian	83.5 - 70.6	Antarctica	H. sp. (83385) H. sp., H. antokasoense, H. plasticum (83390)
Late/Upper Campanian	83.5 - 70.6	France (Landes)	H. dolbergense (213781 213807)
Late/Upper Campanian	83.5 - 70.6	Turkmenistan	H. coesfeldiense (183321) H. marroti (186539)
Late/Upper Campanian	83.5 - 70.6	Angola	H. sp., H. marroti, H. costulosum (88883)
Late/Upper Campanian	83.5 - 70.6	South Africa	H. howarthi (82458 165603 165604)
Late/Upper Campanian	83.5 - 70.6	Tajikistan	H. marroti (186538) H. marroti, H. rarecostatum (186537) H. vari (185090 186535)
Late/Upper Campanian	83.5 - 70.6	France	H. coesfeldiense (165861) H. marroti (165841 165851 165852 165853 165854 165855 165856 165857 165858 165859 165860) H. marroti, H. dolbergense (165816) H. sp., H. marroti (82291) Sonneratia rejaudryi (165862) Sonneratia rejaudryi, Sonneratia rara (165839)
Late/Upper Campanian	83.5 - 70.6	Germany	H. vari (63974 64178) H. vari, H. costulosum (64142) H. vari, H. costulosum, H. coesfeldiense (64143)
Late/Upper Campanian	83.5 - 70.6	Netherlands	H. coesfeldiense (82409 82922) H. marroti (82921)
Late/Upper Campanian	83.5 - 70.6	Uzbekistan	H. vari (186536)
Late/Upper Campanian	83.5 - 70.6	Argentina	H. plasticum (66639)
Late/Upper Campanian	83.5 - 70.6	Austria	H. coesfeldiense (165601) H. preyi (48008)
Late/Upper Maastrichtian	70.6 - 66.0	France	H. lasfresnayanum (83648)