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Gymnotoceras

Cephalopoda - Ceratitida - Ceratitidae

Synonyms
Synonymy list
YearName and author
1877Gymnotoceras Hyatt p. 110
1904Ceratites (Gymnotoceras) Smith pp. 385 - 386
1905Ceratites (Gymnotoceras) Hyatt and Smith p. 172
1914Acrochordiceras foltzense Smith p. 39 figs. Pl 22, figs 13,14
1934Gymnotoceras Spath
1969Gymnotoceras McLearn p. 24
1976Gymnotoceras Astakhova p. 132
1981Gymnotoceras Tozer p. 92
1994Gymnotoceras Tozer p. 118
2002Gymnotoceras Sepkoski
2018Gymnotoceras Ji and Bucher p. 637

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderCeratitidaHyatt 1884
superfamilyCeratitoidea(Mojsisovics 1879)
familyCeratitidaeMojsisovics 1879
subfamilyBeyrichitinae()
genusGymnotoceras

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. †Gymnotoceras Hyatt 1877
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†Gymnotoceras blakei Gabb 1864
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Invalid names: Beyrichites falciformis Smith 1914 [synonym]
†Gymnotoceras crimicus Astakhova 1976
†Gymnotoceras falcatum Mojsisovics 1886
†Gymnotoceras ginsburgi Bucher 1992
†Gymnotoceras inflatum Konstantinov 1991
†Gymnotoceras mimetus Monnet and Bucher 2005
†Gymnotoceras olenekense Dagys and Konstantinov 1986
†Gymnotoceras praecursor Bucher 1992
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Invalid names: Beyrichites tenuis Smith 1914 [synonym], Ceratites (Phillipites) argentarius Smith 1914 [synonym], Ceratites argentarius Smith 1914 [synonym], Gymnotoceras smithi Tozer 1994 [synonym]
†Gymnotoceras sublaqueatum Bychkov et al. 1976
†Gymnotoceras tasaryense Konstantinov 1991
†Gymnotoceras weitschati Monnet and Bucher 2005
†Gymnotoceras zvetkovi Konstantinov 1991
Invalid names: Acrochordiceras foltzense Smith 1914 [nomen dubium]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height9722.44.9053.024.511.9
shell diameter9739.311.8123.040.020.7
shell inflation979.824.4030.09.354.48

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:33:06
Modified: 2005-10-06 16:36:47
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: base of the Olenekian to the top of the Ladinian or 251.20000 to 237.00000 Ma

Collections (178 total)


Time interval Ma Country or state Original ID and collection number
Spathian251.3 - 247.2Svalbard and Jan Mayen G. sp. (212116 212117)
Olenekian251.2 - 247.2Svalbard and Jan Mayen (Barentsøya) G. sp. (212891)
Aegean - Bithynian247.2 - 242.0China (Qinghai) G. sp. (102904)
Anisian247.2 - 242.0Canada (British Columbia) G. sp. (43819 43827)
Anisian247.2 - 242.0Vietnam G. blakei (44787)
Anisian247.2 - 242.0Russian Federation G. inflatum, G. tasaryense (124551) G. rotelliforme (124550 124644) G. rotelliforme, G. inflatum (124576 124637) G. sp. (124645) G. sublaqueatum (107040)
Anisian247.2 - 242.0Svalbard and Jan Mayen (Barentsøya) G. herschey, G. blakei (212892)
Anisian247.2 - 242.0Russian Federation (Primorye) Beyrichites falciformis (46900)
Anisian247.2 - 242.0Japan (Tokushima) Beyrichites rotelliformis (215816)
Anisian247.2 - 242.0USA (Nevada) Beyrichites rotelliformis (33207) G. ginsburgi (62310) G. sp. (230950 230951 230952) G. sp., Ceratites blakei (33197)
Anisian247.2 - 242.0Canada (Alberta) G. sp. (43817)
Anisian247.2 - 242.0Svalbard and Jan Mayen Ceratites falcatus (212076 212078 212545) G. blakei, G. falcatum (212789) G. geminatus (212137 212166 212168) G. geminatus, G. sp. (212167 212172) G. sp. (211962 211984 211994 212090 212118 212125 212136 212165 212173)
Bithynian - Illyrian247.2 - 242.0USA (Nevada) G. rotelliforme (142623)
Bithynian - Pelsonian247.2 - 242.0Svalbard and Jan Mayen G. todtmannae (97309)
Illyrian247.2 - 242.0Canada (British Columbia) G. blakei, Beyrichites rotelliformis (216620) G. deleeni (137074) G. smithi (137065 137093 139052) G. weitschati (197417 197420 197421)
Illyrian247.2 - 242.0Russian Federation G. blakei (97134) G. blakei, G. olenekense (107205 133200 151168 151169) G. blakei, G. zvetkovi (151167) G. rotelliforme (151170) G. rotelliforme, G. inflatum (107197 107206 107210 151171 151173 151174) G. rotelliforme, G. inflatum, G. tasaryense (133756 151172) G. sp. (214884)
Illyrian247.2 - 242.0USA (Nevada) Acrochordiceras foltzense (33225) Ammonites blakei (101858 142617) Beyrichites rotelliformis (142614) Beyrichites rotelliformis, Beyrichites tenuis, Beyrichites falciformis, Ceratites blakei, Ceratites argentarius (142669) Ceratites blakei (33270) G. blakei (38920 38924 38925 39088 40760 47953 115563 115565 115566 115567 115568 142868 142996 143013 143014) G. mimetus (115467 115468 115472 115538 115580) G. rotelliformis (38919 38922 40748 40749 40750 40756 40757 40759 115469 115470 115539 115540 115541 115542 115543 115544 115545 115547 115548 115549 115550 115551 115552 115553 115554 115555 115556 115557 115558 115559 115560 115561 115562 142856 142862 142863 142864 142865 142866 143011) G. weitschati (115465 115466 115471 115483 115485 115487 115488 115490 115491 115496 115502 115507 115508 115513 115515 115516 115521 115522 115569 115570 115571 115572 115573 115574 115575 115576 115577) G. weitschati, G. mimetus (115506 115527) G. weitschati, G. rotelliformis (115546)
Illyrian247.2 - 242.0Ukraine G. crimicus (185086)
Pelsonian247.2 - 242.0USA (Nevada) G. ginsburgi (113678) G. praecursor (113671 113673 113674 113684 113687 114115)
Pelsonian - Illyrian247.2 - 242.0Russian Federation G. sublaqueatum (202898)
Ladinian242.0 - 237.0Svalbard and Jan Mayen G. sp. (211966 211967 211969)
Ladinian242.0 - 237.0USA (Nevada) G. sp. (230954 230959)