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Species in this genus are quite variable in form, ranging from subglobose to laterally compressed. The surface of the shell is sculptured with low folds.
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of
Afghanistan, Austria, Canada, China, Hungary, Italy, Japan, Malaysia, Oman, Papua New Guinea, Russia, Tunisia, Turkey, United States.
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TRIASSIC CEPHALOPOD GENERA OF AMERICA, pg. 86 - Professional Paper - United States
Geological Survey
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Fossils of species within this genus have been found in the
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is an extinct genus of cephalopods belonging to the family
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124:Galerie de paléontologie et d'anatomie comparée
403:Sepkoski's Online Genus Database – Cephalopoda
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256:. These nektonic carnivores lived during the
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558:. You can help Knowledge (XXG) by
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635:Anisian genus first appearances
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122:from Bosnia, on display at
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640:Ladinian genus extinctions
625:Ammonites of North America
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16:Genus of molluscs (fossil)
435:Mikko's Phylogeny Archive
425:The Paleobiology Database
356:Ptychites trochleaeformis
344:Ptychites pseudoeuglyphus
292:Silberling and Tozer 1968
132:Scientific classification
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284:Ptychites densistriatus
554:-related article is a
517:Paleobiology Database
320:Ptychites miyagiensis
326:Ptychites nipponicus
302:Ptychites gradinarui
620:Ammonites of Europe
338:Ptychites opulentus
308:Ptychites guloensis
278:Ptychites besnosovi
610:Triassic ammonites
36:247.2 –235.0
615:Ceratitida genera
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446:Taxon identifiers
362:Ptychites wrighti
350:Ptychites stachei
346:Konstantinov 1991
314:Ptychites hamatus
290:Ptychites domatus
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120:Ptychites studeri
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645:Ceratitida stubs
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352:Mojsisovics 1882
340:Mojsisovics 1882
332:Ptychites oppeli
296:Ptychites evansi
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29:Temporal range:
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31:Middle Triassic
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630:Anisian life
605:Ptychitaceae
560:expanding it
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377:Distribution
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364:McLearn 1946
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369:Description
304:Bucher 1992
286:Bucher 1992
254:Ptychitidae
238:Mojsisovics
218:Ptychitidae
179:Cephalopoda
599:Categories
552:Ceratitida
389:References
328:Bando 1964
322:Bando 1964
316:Tozer 1994
310:Tozer 1994
298:Smith 1914
205:Ceratitida
192:Ammonoidea
185:Subclass:
118:Fossil of
469:Q11830805
454:Ptychites
249:Ptychites
232:Ptychites
155:Kingdom:
149:Eukaryota
126:in Paris
25:Ptychites
463:Wikidata
383:Triassic
266:Ladinian
258:Triassic
211:Family:
169:Mollusca
165:Phylum:
159:Animalia
145:Domain:
509:1292233
496:4622902
272:Species
262:Anisian
224:Genus:
198:Order:
175:Class:
240:, 1875
550:This
522:14377
504:IRMNG
268:age.
556:stub
491:GBIF
483:756K
44:Preęž’
478:CoL
264:to
601::
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94:Pg
38:Ma
33:,
587:e
580:t
573:v
562:.
228:â€
215:â€
202:â€
189:â€
99:N
89:K
84:J
79:T
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69:C
64:D
59:S
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49:ęž’
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