114:
495:
266:
produced a narrowly discoidal evolute shell with concave sides, a narrowly rounded rim (venter) that bears several longitudinal lirae, and transverse rigs that have nodes at the umbilical and ventrolateral shoulders that form spiral belts. The suture is identical to that of
283:
in the shape of shell and suture; but it may be distinguished from the latter by the concave sides and the node-like transverse ribs in the early stage and two rows of nodes distributed respectively along the ventral edge and the umbilical shoulder at maturity.
292:
441:
536:
418:
570:
358:
529:
433:
337:
113:
565:
560:
580:
252:
during the time span from about 260.5 to 254 million years ago. The genus is included in the family
522:
555:
575:
472:
373:
446:
467:
459:
8:
510:
108:
454:
405:
410:
506:
396:
253:
194:
549:
257:
100:
64:
291:, named by Zhou, 1985, was originally found in black marine mudstone in the
316:
269:
249:
39:
502:
423:
245:
241:
181:
168:
155:
84:
49:
125:
89:
33:
367:
390:
349:
145:
79:
74:
59:
54:
44:
94:
69:
135:
494:
303:
According to GONIAT.org there are 2 species; they are:
547:
530:
248:order, found in China, that lived during the
537:
523:
548:
372:
371:
489:
273:in which the lobes are unserrated.
256:, which belongs to the superfamily
13:
14:
592:
493:
434:tax00000000000000000000000006051
112:
37:
330:
1:
323:
509:. You can help Knowledge by
308:Doulingoceras costituberosum
226:
7:
10:
597:
488:
359:The Paleobiology Database
298:
295:in Hunan Provence, China.
16:Genus of molluscs (fossil)
380:
224:
219:
109:Scientific classification
107:
23:
571:Permian animals of Asia
505:-related article is a
468:Paleobiology Database
338:"Genus Doulingoceras"
313:Doulingoceras nodosum
289:Doulingoceras nodosum
287:The type species,
279:closely resembles
566:Ceratitida genera
561:Permian ammonites
518:
517:
483:
482:
455:Open Tree of Life
374:Taxon identifiers
293:Douling Formation
233:
232:
215:
588:
581:Ceratitida stubs
539:
532:
525:
497:
490:
476:
475:
463:
462:
450:
449:
437:
436:
427:
426:
414:
413:
401:
400:
399:
369:
368:
342:
341:
334:
213:
206:
193:
180:
167:
117:
116:
99:
36:
29:Temporal range:
21:
20:
596:
595:
591:
590:
589:
587:
586:
585:
546:
545:
544:
543:
486:
484:
479:
471:
466:
458:
453:
445:
440:
432:
430:
422:
417:
409:
404:
395:
394:
389:
376:
346:
345:
336:
335:
331:
326:
301:
212:
204:
191:
178:
165:
111:
103:
98:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
47:
42:
32:260.5β254
31:
30:
27:
17:
12:
11:
5:
594:
584:
583:
578:
573:
568:
563:
558:
556:Paraceltitidae
542:
541:
534:
527:
519:
516:
515:
498:
481:
480:
478:
477:
464:
451:
438:
428:
415:
402:
386:
384:
378:
377:
366:
365:
356:
350:GONIAT-online
344:
343:
328:
327:
325:
322:
321:
320:
310:
300:
297:
254:Paraceltitidae
240:is a genus of
231:
230:
222:
221:
217:
216:
202:
198:
197:
195:Paraceltitidae
189:
185:
184:
176:
172:
171:
163:
159:
158:
153:
149:
148:
143:
139:
138:
133:
129:
128:
123:
119:
118:
105:
104:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
43:
38:
28:
15:
9:
6:
4:
3:
2:
593:
582:
579:
577:
576:Permian China
574:
572:
569:
567:
564:
562:
559:
557:
554:
553:
551:
540:
535:
533:
528:
526:
521:
520:
514:
512:
508:
504:
499:
496:
492:
491:
487:
474:
469:
465:
461:
456:
452:
448:
443:
439:
435:
429:
425:
420:
416:
412:
407:
403:
398:
392:
388:
387:
385:
383:
382:Doulingoceras
379:
375:
370:
364:
362:
361:Doulingoceras
357:
355:
353:
352:Doulingoceras
348:
347:
339:
333:
329:
318:
314:
311:
309:
306:
305:
304:
296:
294:
290:
285:
282:
278:
277:Doulingoceras
274:
272:
271:
265:
264:Doulingoceras
261:
259:
258:Xenodiscaceae
255:
251:
247:
243:
239:
238:
237:Doulingoceras
229:
228:
223:
218:
211:
210:
209:Doulingoceras
203:
200:
199:
196:
190:
187:
186:
183:
177:
174:
173:
170:
164:
161:
160:
157:
154:
151:
150:
147:
144:
141:
140:
137:
134:
131:
130:
127:
124:
121:
120:
115:
110:
106:
102:
101:Wuchiapingian
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
46:
41:
35:
26:
25:Doulingoceras
22:
19:
511:expanding it
500:
485:
381:
360:
351:
332:
312:
307:
302:
288:
286:
281:Paraceltites
280:
276:
275:
270:Paraceltites
268:
263:
262:
250:Late Permian
236:
235:
234:
225:
208:
207:
24:
18:
244:within the
156:Cephalopoda
550:Categories
503:Ceratitida
324:References
214:Zhou, 1985
182:Ceratitida
169:Ammonoidea
162:Subclass:
246:ceratitid
132:Kingdom:
126:Eukaryota
431:GONIAT:
397:Q5302226
391:Wikidata
242:ammonoid
227:See text
220:Species
188:Family:
146:Mollusca
142:Phylum:
136:Animalia
122:Domain:
460:4154346
447:1225114
424:4626259
299:Species
201:Genus:
175:Order:
152:Class:
501:This
473:93259
442:IRMNG
363:entry
354:entry
507:stub
419:GBIF
411:482V
317:Type
40:Preκ
406:CoL
552::
470::
457::
444::
421::
408::
393::
260:.
90:Pg
34:Ma
538:e
531:t
524:v
513:.
340:.
319:)
315:(
205:β
192:β
179:β
166:β
95:N
85:K
80:J
75:T
70:P
65:C
60:D
55:S
50:O
45:κ
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
