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was wide and semicircular in shape, with the lateral eyes lunate to crescentic with the palpebral lobe between the central and centrimesial sectors. The first pair of appendages were small, lacking denticles, and the subsequent four pairs of appendages were likewise also small, but with fixed spines
406:
margins. The sixth and last pair of appendages were short but were powerfully serrated on the anterior margins of the podomeres. The type A genital appendage was long and undivided, the type B appendage was more oval in shape.
423:
Dunlop, J. A., Penney, D. & Jekel, D. 2015. A summary list of fossil spiders and their relatives. In World Spider
Catalog. Natural History Museum Bern, online at
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446:"Babes in the wood – a unique window into sea scorpion ontogeny"
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measuring approximately 15 to 20 centimetres in length. The
429:
http://www.wsc.nmbe.ch/resources/fossils/Fossils16.0.pdf
378:. A: Juvenile/subadult instar, B: Subadult/adult instar.
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318:. The genus contains four species, two from the
1379:
509:
8:
1386:
1372:
1240:
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102:
20:
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444:Lamsdell, James C.; Selden, Paul (2013).
416:
389:eurypterid, with adults of the species
7:
1340:
1338:
439:
437:
115:(left) with its counterpart (right)
16:Extinct genus of Devonian organisms
14:
1342:
1226:
1225:
922:
124:
1215:Timeline of eurypterid research
1:
1420:Eurypterids of North America
1415:Fossils of the United States
1358:. You can help Knowledge by
338:), one from the Devonian of
265:Lamsdell & Selden, 2013
1451:
1337:
310:is a genus of prehistoric
231:Strobilopterus princetonii
1223:
920:
617:List of eurypterid genera
531:
289:
282:
246:
241:
228:
221:
121:Scientific classification
119:
110:
101:
23:
451:BMC Evolutionary Biology
275:Kjellesvig-Waering, 1961
465:10.1186/1471-2148-13-98
1354:-related article is a
379:
1430:Eurypterids of Europe
1317:Paleobiology Database
369:
1425:Silurian eurypterids
1410:Devonian eurypterids
402:and serrated distal
370:Subadult and adult
346:) and one from the
745:Onychopterelloidea
425:http://wsc.nmbe.ch
380:
1367:
1366:
1332:
1331:
1304:Open Tree of Life
1246:Taxon identifiers
1237:
1236:
918:
917:
914:
913:
910:
909:
866:Adelophthalmoidea
848:Waeringopteroidea
820:Carcinosomatoidea
753:Onychopterellidae
728:
727:
342:, United States (
303:
302:
297:
276:
266:
256:
217:
32:Silurian–Devonian
1442:
1435:Eurypterid stubs
1388:
1381:
1374:
1346:
1339:
1325:
1324:
1312:
1311:
1299:
1298:
1286:
1285:
1273:
1272:
1271:
1241:
1229:
1228:
1203:Related articles
1160:Merostomichnites
926:
874:Adelophthalmidae
856:Waeringopteridae
828:Carcinosomatidae
816:
799:Strobilopteridae
741:
715:Hibbertopteridae
664:Parastylonuridae
634:
607:
518:
511:
504:
495:
488:
487:
477:
467:
441:
432:
421:
316:Strobilopteridae
295:
274:
264:
254:
212:
205:
194:Strobilopteridae
192:
179:
129:
128:
106:
96:
33:
29:Temporal range:
21:
1450:
1449:
1445:
1444:
1443:
1441:
1440:
1439:
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1394:
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1302:
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1289:
1281:
1276:
1267:
1266:
1261:
1248:
1238:
1233:
1219:
1198:
1189:Chasmataspidida
1172:
1138:
1035:Campylocephalus
1008:
965:
927:
906:
892:Hughmilleriidae
878:
860:
842:
833:Megalograptidae
809:
803:
789:Dolichopteridae
775:
763:Moselopteroidea
757:
734:
724:
710:Drepanopteridae
696:
692:Hardieopteridae
679:Kokomopteroidea
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650:
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621:
598:
527:
522:
492:
491:
443:
442:
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427:, version 16.0
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293:Syntomopterella
237:
236:Ruedemann, 1934
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1254:Strobilopterus
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1224:
1221:
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1217:
1212:
1206:
1204:
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1199:
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1177:Related groups
1174:
1173:
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1156:
1148:
1146:
1140:
1139:
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1136:
1129:
1122:
1115:
1108:
1105:Onychopterella
1101:
1094:
1087:
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1073:
1066:
1063:Hibbertopterus
1059:
1052:
1045:
1038:
1031:
1024:
1021:Adelophthalmus
1016:
1014:
1013:Notable genera
1010:
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1007:
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884:Pterygotioidea
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850:
844:
843:
841:
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830:
824:
822:
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811:Diploperculata
805:
804:
802:
801:
796:
791:
785:
783:
777:
776:
774:
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771:Moselopteridae
767:
765:
759:
758:
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755:
749:
747:
738:
730:
729:
726:
725:
723:
722:
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706:
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695:
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689:
687:Kokomopteridae
683:
681:
675:
674:
672:
671:
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660:
658:
652:
651:
649:
648:
642:
640:
638:Rhenopteroidea
631:
623:
622:
620:
619:
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611:
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599:
597:
596:
587:
578:
569:
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528:
523:
521:
520:
513:
506:
498:
490:
489:
433:
415:
414:
412:
409:
399:Strobilopterus
387:strobilopterid
383:Strobilopterus
363:
360:
344:S. richardsoni
332:S. princetonii
314:of the family
307:Strobilopterus
301:
300:
299:
298:
287:
286:
280:
279:
278:
277:
271:S. richardsoni
267:
257:
244:
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242:Other species
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208:Strobilopterus
201:
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145:
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55:
50:
45:
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35:
34:
28:
25:Strobilopterus
15:
13:
10:
9:
6:
4:
3:
2:
1447:
1436:
1433:
1431:
1428:
1426:
1423:
1421:
1418:
1416:
1413:
1411:
1408:
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1405:Eurypteroidea
1403:
1402:
1400:
1389:
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1195:
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1190:
1187:
1185:
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1135:
1134:
1130:
1128:
1127:
1123:
1121:
1120:
1116:
1114:
1113:
1112:Pentecopterus
1109:
1107:
1106:
1102:
1100:
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1095:
1093:
1092:
1088:
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1085:
1084:Megalograptus
1081:
1079:
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1077:Jaekelopterus
1074:
1072:
1071:
1067:
1065:
1064:
1060:
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1050:
1049:Drepanopterus
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1039:
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1029:
1028:Brachyopterus
1025:
1023:
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1005:
1004:South America
1002:
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956:Carboniferous
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933:Geochronology
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817:
814:
812:
806:
800:
797:
795:
792:
790:
787:
786:
784:
782:
781:Eurypteroidea
778:
772:
769:
768:
766:
764:
760:
754:
751:
750:
748:
746:
742:
739:
737:
731:
721:
720:Mycteroptidae
718:
716:
713:
711:
708:
707:
705:
703:
702:Mycteropoidea
699:
693:
690:
688:
685:
684:
682:
680:
676:
670:
667:
665:
662:
661:
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656:Stylonuroidea
653:
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646:Rhenopteridae
644:
643:
641:
639:
635:
632:
630:
624:
618:
615:
614:
612:
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605:
601:
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594:Sclerophorata
591:
588:
586:
582:
579:
577:
573:
570:
568:
564:
561:
559:
558:Euchelicerata
555:
552:
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546:
544:
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534:
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530:
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514:
512:
507:
505:
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453:
452:
447:
440:
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430:
426:
420:
417:
410:
408:
405:
400:
396:
392:
388:
384:
377:
373:
368:
361:
359:
357:
353:
349:
345:
341:
337:
333:
329:
328:United States
325:
321:
317:
313:
309:
308:
294:
291:
290:
288:
285:
281:
273:
272:
268:
263:
262:
258:
255:Schmidt, 1883
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245:
240:
233:
232:
227:
224:
220:
215:
210:
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176:
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172:
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139:
136:
133:
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114:
109:
105:
100:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
43:
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26:
22:
19:
1360:expanding it
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1158:
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1082:
1075:
1070:Hughmilleria
1068:
1061:
1054:
1047:
1040:
1033:
1026:
1019:
902:Pterygotidae
838:Mixopteridae
794:Eurypteridae
669:Stylonuridae
589:
580:
571:
562:
553:
458:(98): 1–46.
455:
449:
419:
398:
390:
385:was a large
382:
381:
375:
355:
343:
335:
331:
306:
305:
304:
296:Tetlie, 2007
292:
270:
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249:
230:
229:
223:Type species
207:
206:
112:
24:
18:
1167:Palmichnium
1144:Ichnogenera
1042:Carcinosoma
736:Eurypterina
629:Stylonurina
567:Prosomapoda
549:Chelicerata
547:Subphylum:
525:Eurypterids
362:Description
356:S. laticeps
251:S. laticeps
181:Eurypterida
168:Chelicerata
164:Subphylum:
1399:Categories
1352:eurypterid
1133:Stylonurus
1119:Pterygotus
1098:Mixopterus
1091:Megarachne
1056:Eurypterus
941:Ordovician
897:Slimonidae
808:Infraorder
585:Dekatriata
576:Planaterga
543:Arthropoda
411:References
391:S. proteus
376:S. proteus
336:S. proteus
312:eurypterid
261:S. proteus
158:Arthropoda
113:S. proteus
111:Fossil of
1210:Metastoma
1194:Xiphosura
1184:Arachnida
971:Geography
535:Kingdom:
214:Ruedemann
144:Kingdom:
138:Eukaryota
1269:Q7624206
1263:Wikidata
1231:Category
1153:Arcuites
1126:Slimonia
951:Devonian
946:Silurian
733:Suborder
626:Suborder
603:Taxonomy
541:Phylum:
537:Animalia
484:23663507
404:podomere
395:carapace
348:Silurian
320:Devonian
284:Synonyms
187:Family:
154:Phylum:
148:Animalia
134:Domain:
1309:3581784
1296:1057690
1283:4650113
999:Oceania
961:Permian
475:3679797
372:instars
352:Estonia
324:Wyoming
200:Genus:
174:Order:
989:Europe
979:Africa
610:Genera
482:
472:
431:(PDF).
216:, 1935
1350:This
1322:18998
1291:IRMNG
590:Clade
581:Clade
572:Clade
563:Clade
554:Clade
1356:stub
1278:GBIF
984:Asia
480:PMID
340:Ohio
334:and
37:PreꞒ
470:PMC
460:doi
397:of
374:of
358:).
350:of
322:of
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326:,
87:Pg
1387:e
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517:e
510:t
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486:.
462::
354:(
330:(
204:†
191:†
178:†
92:N
82:K
77:J
72:T
67:P
62:C
57:D
52:S
47:O
42:Ꞓ
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