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Eogaudryceras

Cephalopoda - Ammonitida - Tetragonitidae

Taxonomy
Eogaudryceras was named by Spath (1927) [Sepkoski's age data: K Apti K Albi-u Sepkoski's reference number: 943]. Its type is Ammonites numidus.

It was assigned to Ammonoidea by Sepkoski (2002); to Gaudryceratinae by Murphy (1967), Nagy (1970), Cooper and Kennedy (1979), Szives (2007), Hoffmann (2010); and to Gaudryceratidae by Kennedy and Klinger (1979), Wright et al. (1996), Geyer et al. (1997), El Qot (2018).

Synonymy list
YearName and author
1927Eogaudryceras Spath
1967Eogaudryceras Murphy p. 3
1970Eogaudryceras Nagy p. 31
1979Eogaudryceras Cooper and Kennedy p. 189
1979Eogaudryceras Kennedy and Klinger p. 123
1996Eogaudryceras Wright et al. p. 3
1997Eogaudryceras Geyer et al. p. 223
2002Eogaudryceras Sepkoski
2007Eogaudryceras Szives p. 93
2010Eogaudryceras Hoffmann p. 56
2018Eogaudryceras El Qot p. 150

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyTetragonitoidea(Hyatt 1900)
familyTetragonitidaeHyatt 1900
subfamilyGaudryceratinae(Spath 1927)
genusEogaudrycerasSpath 1927

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. †Eogaudryceras Spath 1927
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Subg. †Eogaudryceras (Eotetragonites) Breistroffer 1947
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Invalid names: Ammonites depressus Raspail 1866 [replaced]
†Eotetragonites balmensis Breistroffer 1936
†Eotetragonites gainesi Anderson 1938
†Eotetragonites gardneri Murphy 1967
†Eotetragonites shoupi Murphy 1967
†Eotetragonites wintunius Anderson 1938
†Eogaudryceras inaequale Breistroffer 1947
†Eogaudryceras numidum Coquand 1880
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
height116.4----
diameter139.5----
inflation112.2----
shell height316.112.021.016.74.50
shell diameter336.426.050.037.012.0
shell inflation312.310.016.011.53.12

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 Aptian to the top of the Early/Lower Cenomanian or 121.40000 to 93.90000 Ma

Collections (45 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Aptian121.4 - 119.57Iran E. sp. (236146 236196)
Aptian121.4 - 113.2Japan E. sp. (180422)
Late/Upper Aptian119.57 - 113.2USA (California) Eotetragonites wintunius (90666 230740) Gabbioceras wintunium (167367 216314 216315 216318 216320 216321 216322 216323 216324 216328 216330 216333 216336 216339 216345) Lytoceras wintunium (216432)
Late/Upper Aptian119.57 - 113.2Colombia E. sp. (97675)
Late/Upper Aptian119.57 - 113.2Madagascar E. numidum (84030)
Late/Upper Aptian119.57 - 113.2South Africa E. hertleini (70991)
Late/Upper Aptian119.57 - 113.2Egypt E. raspaili (191699 191709)
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1USA (California) Gabbioceras gainesi (216373) Lytoceras gainesi (225527)
Early/Lower Albian113.2 - 110.1USA (California) Eotetragonites gainesi (214414) Gabbioceras gainesi (216368)
Early/Lower Albian113.2 - 110.1United Kingdom (England) E. shimizui (1862)
Early/Lower Albian113.2 - 110.1Svalbard and Jan Mayen E. inaequale (174872)
Early/Lower Albian113.2 - 110.1South Africa E. umbilicostriatus (66005)
Albian113.2 - 100.5Egypt E. vocontianum (176860)
Albian113.2 - 100.5Madagascar E. llosetaense (98244)
Albian113.2 - 100.5Madagascar (Mahajanga) Eotetragonites umbilicostriatus (86497)
Albian113.2 - 100.5USA (California) Gabbioceras gainesi (216376 216377 216378)
Early/Lower Albian - Late/Upper Albian113.2 - 100.5France Eotetragonites jallabertianus, E. shimizui (58861)
Middle Albian110.1 - 106.3South Africa E. raspaili (70993)
Middle Albian110.1 - 106.3Puerto Rico E. sp. (209726)
Late/Upper Albian106.3 - 100.5Angola E. italicum (232171)
Late/Upper Albian106.3 - 100.5Egypt Eotetragonites breistrofferi (98327)
Early/Lower Cenomanian100.5 - 93.9Brazil E. sp. (140837)