108:
598:
642:
495:
Yamagishi, H. (2004). "Elasmobranch remains from the Taho limestone (lower-Middle
Triassic) of Ehime prefecture, Southwest Japan". In G. Arratia; A. Tintori (eds.).
661:
691:
635:
544:
452:
Chen, Lide; Cuny, Gilles; Wang, Xiaofeng (2007). "The chondrichthyan fauna from the Middle-Late
Triassic of Guanling (Guizhou province, SW China)".
628:
363:
age. The large difference in age, location, and size means their attribution to this genus is uncertain; nonetheless, the species
430:
205:
671:
107:
681:
666:
686:
676:
512:
570:
461:
396:
608:
477:
301:
268:
102:
575:
557:
412:
612:
562:
469:
404:
348:
172:
465:
400:
159:
149:
655:
481:
336:
61:
214:
185:
535:
605:
408:
340:
36:
473:
351:
cephalic spines. Similar ichthyoliths of much smaller size have been found in
81:
46:
332:
119:
86:
416:
387:
Branson, C. C. (1934). "Permian Sharks of
Wyoming and of East Greenland".
529:
344:
309:
139:
76:
71:
56:
51:
41:
549:
360:
305:
294:
91:
66:
597:
129:
506:
497:
Mesozoic fishes 3 โ Systematics, Paleoenvironments and
Biodiversity
356:
352:
297:
510:
433:(1932). "Permo-Carboniferous fishes from East Greenland".
616:
253:
242:
221:
519:
323:is known by two named species from the Permian,
339:. They are known only by isolated hook-shaped "
636:
382:
380:
343:" thought to represent dermal denticles of a
8:
643:
629:
507:
20:
347:. Some have attributed these to teeth or
335:while the latter was described from the
376:
662:Prehistoric cartilaginous fish genera
7:
692:Prehistoric cartilaginous fish stubs
594:
592:
615:. You can help Knowledge (XXG) by
14:
596:
331:. The former was described from
106:
1:
409:10.1126/science.79.2054.431
708:
591:
474:10.1080/08912960701248234
274:
267:
239:
234:
220:
213:
103:Scientific classification
101:
23:
435:Meddelelser om Grรธnland
225:Arctacanthus uncinatus
604:This article about a
571:Paleobiology Database
16:Extinct genus of fish
672:Fossils of Greenland
367:was named in Japan.
499:. pp. 565โ574.
466:2007HBio...19..291C
401:1934Sci....79..431B
682:Fossils of Wyoming
609:cartilaginous fish
454:Historical Biology
302:cartilaginous fish
667:Permian Greenland
624:
623:
586:
585:
558:Open Tree of Life
513:Taxon identifiers
286:
285:
281:
261:
250:
209:
699:
645:
638:
631:
600:
593:
579:
578:
566:
565:
553:
552:
540:
539:
538:
508:
501:
500:
492:
486:
485:
449:
443:
442:
427:
421:
420:
384:
279:
259:
255:
248:
244:
223:
204:
197:
184:
171:
111:
110:
96:
33:
29:Temporal range:
21:
707:
706:
702:
701:
700:
698:
697:
696:
687:Hybodontiformes
677:Permian Wyoming
652:
651:
650:
649:
589:
587:
582:
574:
569:
561:
556:
548:
543:
534:
533:
528:
515:
505:
504:
494:
493:
489:
451:
450:
446:
429:
428:
424:
386:
385:
378:
373:
329:A. wyomingensis
318:
257:A. wyomingensis
249:Yamagishi, 2004
230:
227:
203:
195:
182:
173:Hybodontiformes
169:
105:
97:
95:
94:
89:
84:
79:
74:
69:
64:
59:
54:
49:
44:
39:
31:
30:
27:
17:
12:
11:
5:
705:
703:
695:
694:
689:
684:
679:
674:
669:
664:
654:
653:
648:
647:
640:
633:
625:
622:
621:
601:
584:
583:
581:
580:
567:
554:
541:
525:
523:
517:
516:
511:
503:
502:
487:
460:(4): 291โ300.
444:
431:Nielsen, Eigil
422:
375:
374:
372:
369:
317:
314:
284:
283:
272:
271:
265:
264:
263:
262:
251:
237:
236:
232:
231:
228:
218:
217:
211:
210:
193:
189:
188:
180:
176:
175:
167:
163:
162:
160:Elasmobranchii
157:
153:
152:
150:Chondrichthyes
147:
143:
142:
137:
133:
132:
127:
123:
122:
117:
113:
112:
99:
98:
90:
85:
80:
75:
70:
65:
60:
55:
50:
45:
40:
35:
34:
28:
15:
13:
10:
9:
6:
4:
3:
2:
704:
693:
690:
688:
685:
683:
680:
678:
675:
673:
670:
668:
665:
663:
660:
659:
657:
646:
641:
639:
634:
632:
627:
626:
620:
618:
614:
610:
607:
602:
599:
595:
590:
577:
572:
568:
564:
559:
555:
551:
546:
542:
537:
531:
527:
526:
524:
522:
518:
514:
509:
498:
491:
488:
483:
479:
475:
471:
467:
463:
459:
455:
448:
445:
440:
436:
432:
426:
423:
418:
414:
410:
406:
402:
398:
395:(2054): 431.
394:
390:
383:
381:
377:
370:
368:
366:
362:
358:
354:
350:
346:
342:
338:
337:United States
334:
330:
326:
322:
315:
313:
311:
308:and possibly
307:
303:
299:
296:
292:
291:
282:
280:Branson, 1932
278:
273:
270:
266:
260:Branson, 1934
258:
252:
247:
241:
240:
238:
233:
229:Nielsen, 1932
226:
219:
216:
212:
207:
202:
201:
194:
191:
190:
187:
186:Hybodontoidea
181:
179:Superfamily:
178:
177:
174:
168:
165:
164:
161:
158:
155:
154:
151:
148:
145:
144:
141:
138:
135:
134:
131:
128:
125:
124:
121:
118:
115:
114:
109:
104:
100:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
43:
38:
32:Wuchiapingian
26:
22:
19:
617:expanding it
603:
588:
521:Arctacanthus
520:
496:
490:
457:
453:
447:
438:
434:
425:
392:
388:
364:
359:in rocks of
341:ichthyoliths
328:
325:A. uncinatus
324:
321:Arctacanthus
320:
319:
290:Arctacanthus
289:
288:
287:
277:Dolophonodus
276:
275:
256:
245:
224:
215:Type species
200:Arctacanthus
199:
198:
25:Arctacanthus
24:
18:
606:prehistoric
656:Categories
441:(3): 1โ63.
371:References
365:A. exiguus
316:Occurrence
312:periods.
246:A. exiguus
156:Subclass:
536:Q99774850
482:128482370
345:chimaeran
333:Greenland
304:from the
126:Kingdom:
120:Eukaryota
530:Wikidata
417:17756155
349:hybodont
310:Triassic
269:Synonyms
235:Species
140:Chordata
136:Phylum:
130:Animalia
116:Domain:
563:4143870
550:4824754
462:Bibcode
397:Bibcode
389:Science
361:Anisian
306:Permian
295:extinct
206:Nielsen
192:Genus:
166:Order:
146:Class:
480:
415:
293:is an
208:, 1932
611:is a
576:34483
478:S2CID
357:China
353:Japan
298:genus
613:stub
545:GBIF
413:PMID
355:and
327:and
37:Pre๊
470:doi
405:doi
300:of
658::
573::
560::
547::
532::
476:.
468:.
458:19
456:.
439:86
437:.
411:.
403:.
393:79
391:.
379:^
87:Pg
644:e
637:t
630:v
619:.
484:.
472::
464::
419:.
407::
399::
254:โ
243:โ
222:โ
196:โ
183:โ
170:โ
92:N
82:K
77:J
72:T
67:P
62:C
57:D
52:S
47:O
42:๊
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
