PBDB Taxon

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

Engonoceras

Cephalopoda - Ammonitida - Engonoceratidae

Taxonomy

Engonoceras was named by Neumayr and Uhlig (1881) [Sepkoski's age data: K Albi-m K Ceno].

It was assigned to Ammonoidea by Sepkoski (2002); and to Engonoceratidae by Benavides-Caceres (1956), Mancini (1982), Lucas and Estep (1998), Kennedy et al. (1998), Kennedy et al. (1998), Kennedy (2005), Szives (2007), Bulot (2010), Robert et al. (2018) and El Qot (2018).

Species

E. belviderense (syn. E. uddeni), E. complicatum, E. duboisi, E. elegans, E. emarginatum, E. gibbosum, E. hilli, E. iris, E. pierdenale, E. retardum, E. serpentinum, E. serpentinum, E. stolleyi, E. subjectum, E. wilkinsoni

Synonymy list

Year	Name and author
1881	Engonoceras Neumayr and Uhlig p. 140
1956	Engonoceras Benavides-Caceres p. 443
1982	Engonoceras Mancini p. 251
1998	Engonoceras Kennedy et al. p. 7
1998	Engonoceras Kennedy et al. p. 3
1998	Engonoceras Lucas and Estep p. 78
2002	Engonoceras Sepkoski
2005	Engonoceras Kennedy p. 360
2007	Engonoceras Szives p. 101
2010	Engonoceras Bulot
2018	Engonoceras El Qot p. 156
2018	Engonoceras Robert et al. p. 9

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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	Engonoceratidae
genus	Engonoceras

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. †Engonoceras Neumayr and Uhlig 1881

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†Buchiceras (Sphenodiscus) belviderensis serpentinus Cragin 1900

†Engonoceras belviderense Cragin 1894

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Invalid names: Engonoceras uddeni Cragin 1900 [synonym]

†Engonoceras complicatum Hyatt 1903

†Engonoceras duboisi Latil 1989

†Engonoceras elegans Kennedy et al. 1998

†Engonoceras emarginatum Cragin 1893

†Engonoceras gibbosum Hyatt 1903

†Engonoceras hilli Böhm 1898

†Engonoceras iris Spath 1924

†Engonoceras pierdenale Von Buch 1848

†Engonoceras retardum Hyatt 1903

†Engonoceras serpentinum Cragin 1900

†Engonoceras stolleyi Böhm 1898

†Engonoceras subjectum Hyatt 1903

†Engonoceras wilkinsoni Packard 1956

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
height	4	38.5	25.8	51.5	41.2	12.1
diameter	4	74.9	49.5	107.5	78.1	26.2
inflation	4	8.90	6.50	12.0	9.25	2.90
shell height	13	32.9	11.9	77.5	35.2	22.1
shell diameter	13	61.8	21.0	170.0	72.3	46.7
shell inflation	13	7.11	2.40	21.5	9.50	6.07

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 Early/Lower Cenomanian or 112.03000 to 93.50000 Ma

Collections (38 total)

Time interval	Ma	Country or state	Original ID and collection number
Albian	113.0 - 100.5	USA (Kansas)	E. belviderense (2052 2056)
Early/Lower Albian	112.03 - 109.0	USA (Texas)	E. complicatum (82423) E. elegans (82421) E. gibbosum (82415) E. hilli (82414) E. stolleyi, E. hilli (82424)
Early/Lower Albian	112.03 - 109.0	Mexico (Coahuila de Zaragoza)	E. sp. (88253)
Middle Albian	109.0 - 105.3	Mexico (Sonora)	E. complicatum (191942)
Middle Albian	109.0 - 105.3	Puerto Rico	E. spp. (209726)
Late/Upper Albian	105.3 - 99.6	Canada (Alberta)	E. sp. (89190)
Late/Upper Albian	105.3 - 99.6	Mexico (Sonora)	E. stolleyi (191941)
Late/Upper Albian	105.3 - 99.6	USA (Texas)	E. hilli (82418) E. retardum (175112) E. serpentinum (82361 82362 82363 82364 82368 175115 175118) E. serpentinum, E. subjectum (82367) E. sp. (5194 52126) E. stolleyi, E. hilli (82416 82419 82429)
Late/Upper Albian	105.3 - 99.6	USA (New Mexico)	E. belviderense (179774) E. serpentinum (176831) E. sp. (179735)
Late/Upper Albian	105.3 - 99.6	Egypt	E. serpentinum (191706)
Late/Upper Albian - Early/Lower Cenomanian	105.3 - 93.5	USA (Texas)	E. serpentinum (175113 175114 175116)
Early/Lower Cenomanian	99.6 - 93.5	USA (Texas)	E. retardum (175110 175162) E. serpentinum (175338 175339)