113:
595:
137:
1037:
1340:
1485:
387:, were small to very large forms with scales developing into tubercules and knobs. The prosoma (head) exhibited variable shape, with arcuate compound eyes located subcentrally, or anteriorly. Their abdomens were slender. Their walking legs were long and powerful, sometimes characterized by spines. Most genera did not have swimming legs.
407:. The fixed spines on appendages II-IV could have been used as dragnets to rake through the sediment, indiscriminately entangling anything within their sweeping arc. This type of sweep-feeding also occurs in the
1431:
1526:
1418:
1560:
1550:
1116:
1106:
628:
566:
1068:
443:. "Laurieipterines" are diagnosed as stylonurids with broad metastoma and an epistoma with a rostral field and were restricted to the
1083:
1555:
1327:
1111:
1053:
1101:
1091:
1045:
1519:
1063:
1058:
395:
Stylonurids are stylonuroids with undifferentiated opisthosoma with appendages II-IV being spiniferous akin to the genus
1096:
1073:
136:
1565:
729:
621:
1512:
1036:
1545:
1358:
112:
1457:
431:. It contains five genera in total and one recognised subfamily; the Laurieipterinae containing genera
1405:
1343:
614:
600:
364:
commonly known as "sea scorpions". The family is one of two families contained in the superfamily
324:
131:
1462:
1396:
1444:
932:
865:
857:
408:
1449:
1436:
1272:
986:
978:
968:
960:
940:
911:
827:
776:
575:
473:
412:
369:
279:
1301:
1147:
1004:
945:
901:
804:
791:
562:"The systematics and phylogeny of the Stylonurina (Arthropoda: Chelicerata: Eurypterida)"
1496:
1217:
1175:
1133:
996:
923:
883:
875:
799:
444:
380:
1539:
1224:
1196:
1189:
1161:
1140:
893:
832:
822:
814:
768:
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670:
516:
433:
424:
384:
365:
312:
217:
70:
1182:
1014:
950:
906:
241:
1484:
372:), which in turn is one of four superfamilies classified as part of the suborder
1390:
1279:
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1154:
848:
741:
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661:
506:
439:
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45:
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90:
55:
28:
1322:
1306:
1296:
655:
361:
168:
148:
95:
39:
32:
1375:
1265:
1238:
85:
80:
65:
60:
50:
1423:
545:
Treatise on
Invertebrate Paleontology, Part P Arthropoda 2, Chelicerata
100:
75:
649:
158:
1352:
463:
403:
271:
1410:
560:
James C. Lamsdell, Simon J. Braddy & O. Erik Tetlie (2010).
1356:
610:
401:, whilst appendages V-VI are non-spiniferous akin to the genus
606:
1500:
423:
1365:
1315:
1289:
1255:
1125:
1082:
1044:
995:
977:
959:
931:
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874:
856:
845:
813:
790:
767:
749:
738:
722:
715:
1520:
622:
8:
415:suggests they were more selective feeders.
1527:
1513:
1353:
928:
853:
746:
719:
629:
615:
607:
111:
20:
579:
533:
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553:
7:
1481:
1479:
567:Journal of Systematic Palaeontology
14:
1483:
1339:
1338:
1035:
593:
411:, though the adaptations of the
135:
1328:Timeline of eurypterid research
379:Stylonuridae, which lived from
1561:Prehistoric arthropod families
1:
511:Clarke & Ruedermann, 1912
1551:Ordovician first appearances
1499:. You can help Knowledge by
120:Fossil elements referred to
16:Extinct family of arthropods
1582:
1478:
1336:
1033:
730:List of eurypterid genera
644:
581:10.1080/14772011003603564
330:
323:
266:
261:
247:
240:
132:Scientific classification
130:
119:
110:
23:
521:Kjellesvig-Waering, 1966
501:Kjellesvig-Waering, 1966
341:Kjellesvig-Waering, 1966
335:Kjellesvig-Waering, 1966
298:Kjellesvig-Waering, 1966
1556:Cisuralian extinctions
1495:-related article is a
419:Systematics and genera
357:, an extinct group of
1458:Paleobiology Database
251:Stylonurus powriensis
601:Paleontology portal
543:1955. Merostomata.
858:Onychopterelloidea
1508:
1507:
1473:
1472:
1445:Open Tree of Life
1359:Taxon identifiers
1350:
1349:
1031:
1030:
1027:
1026:
1023:
1022:
979:Adelophthalmoidea
961:Waeringopteroidea
933:Carcinosomatoidea
866:Onychopterellidae
841:
840:
522:
512:
502:
493:
483:
469:
458:
409:Hibbertopteroidea
348:
347:
342:
336:
299:
236:
38:443.7–358.9
1573:
1566:Eurypterid stubs
1529:
1522:
1515:
1487:
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1386:
1385:
1384:
1354:
1342:
1341:
1316:Related articles
1273:Merostomichnites
1039:
987:Adelophthalmidae
969:Waeringopteridae
941:Carcinosomatidae
929:
912:Strobilopteridae
854:
828:Hibbertopteridae
777:Parastylonuridae
747:
720:
631:
624:
617:
608:
603:
598:
597:
596:
586:
585:
583:
557:
548:
542:
538:
520:
510:
500:
491:
477:
474:Soligorskopterus
467:
456:
370:Parastylonuridae
340:
334:
333:Laurieipteridae
297:
280:Soligorskopterus
234:
229:
216:
203:
190:
140:
139:
115:
105:
42:
27:Temporal range:
21:
1581:
1580:
1576:
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1574:
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1536:
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1395:
1394:
1389:
1380:
1379:
1374:
1361:
1351:
1346:
1332:
1311:
1302:Chasmataspidida
1285:
1251:
1148:Campylocephalus
1121:
1078:
1040:
1019:
1005:Hughmilleriidae
991:
973:
955:
946:Megalograptidae
922:
916:
902:Dolichopteridae
888:
876:Moselopteroidea
870:
847:
837:
823:Drepanopteridae
809:
805:Hardieopteridae
792:Kokomopteroidea
786:
763:
740:
734:
711:
640:
635:
599:
594:
592:
589:
559:
558:
551:
540:
539:
535:
531:
498:Laurieipterinae
468:Waterston, 1962
421:
413:hibbertopterids
393:
353:is a family of
295:Laurieipterinae
257:
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233:
227:
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1290:Related groups
1287:
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1269:
1261:
1259:
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1252:
1250:
1249:
1242:
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1228:
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1218:Onychopterella
1214:
1207:
1200:
1193:
1186:
1179:
1176:Hibbertopterus
1172:
1165:
1158:
1151:
1144:
1137:
1134:Adelophthalmus
1129:
1127:
1126:Notable genera
1123:
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1120:
1119:
1114:
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1104:
1099:
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1080:
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1025:
1024:
1021:
1020:
1018:
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1007:
1001:
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997:Pterygotioidea
993:
992:
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989:
983:
981:
975:
974:
972:
971:
965:
963:
957:
956:
954:
953:
948:
943:
937:
935:
926:
924:Diploperculata
918:
917:
915:
914:
909:
904:
898:
896:
890:
889:
887:
886:
884:Moselopteridae
880:
878:
872:
871:
869:
868:
862:
860:
851:
843:
842:
839:
838:
836:
835:
830:
825:
819:
817:
811:
810:
808:
807:
802:
800:Kokomopteridae
796:
794:
788:
787:
785:
784:
779:
773:
771:
765:
764:
762:
761:
755:
753:
751:Rhenopteroidea
744:
736:
735:
733:
732:
726:
724:
717:
713:
712:
710:
709:
700:
691:
682:
673:
664:
658:
652:
645:
642:
641:
636:
634:
633:
626:
619:
611:
605:
604:
588:
587:
549:
532:
530:
527:
526:
525:
524:
523:
513:
494:
484:
470:
445:Early Silurian
420:
417:
392:
389:
381:Early Silurian
346:
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308:
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128:
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117:
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108:
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69:
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59:
54:
49:
44:
43:
26:
15:
13:
10:
9:
6:
4:
3:
2:
1578:
1567:
1564:
1562:
1559:
1557:
1554:
1552:
1549:
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1546:Stylonuroidea
1544:
1543:
1541:
1530:
1525:
1523:
1518:
1516:
1511:
1510:
1504:
1502:
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1314:
1308:
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1303:
1300:
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1277:
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1270:
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1263:
1262:
1260:
1258:
1254:
1248:
1247:
1243:
1241:
1240:
1236:
1234:
1233:
1229:
1227:
1226:
1225:Pentecopterus
1222:
1220:
1219:
1215:
1213:
1212:
1208:
1206:
1205:
1201:
1199:
1198:
1197:Megalograptus
1194:
1192:
1191:
1190:Jaekelopterus
1187:
1185:
1184:
1180:
1178:
1177:
1173:
1171:
1170:
1166:
1164:
1163:
1162:Drepanopterus
1159:
1157:
1156:
1152:
1150:
1149:
1145:
1143:
1142:
1141:Brachyopterus
1138:
1136:
1135:
1131:
1130:
1128:
1124:
1118:
1117:South America
1115:
1113:
1110:
1108:
1107:North America
1105:
1103:
1100:
1098:
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1089:
1087:
1085:
1081:
1075:
1072:
1070:
1069:Carboniferous
1067:
1065:
1062:
1060:
1057:
1055:
1052:
1051:
1049:
1047:
1046:Geochronology
1043:
1038:
1016:
1013:
1011:
1008:
1006:
1003:
1002:
1000:
998:
994:
988:
985:
984:
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980:
976:
970:
967:
966:
964:
962:
958:
952:
949:
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930:
927:
925:
919:
913:
910:
908:
905:
903:
900:
899:
897:
895:
894:Eurypteroidea
891:
885:
882:
881:
879:
877:
873:
867:
864:
863:
861:
859:
855:
852:
850:
844:
834:
833:Mycteroptidae
831:
829:
826:
824:
821:
820:
818:
816:
815:Mycteropoidea
812:
806:
803:
801:
798:
797:
795:
793:
789:
783:
780:
778:
775:
774:
772:
770:
769:Stylonuroidea
766:
760:
759:Rhenopteridae
757:
756:
754:
752:
748:
745:
743:
737:
731:
728:
727:
725:
721:
718:
714:
708:
707:Sclerophorata
704:
701:
699:
695:
692:
690:
686:
683:
681:
677:
674:
672:
671:Euchelicerata
668:
665:
663:
659:
657:
653:
651:
647:
646:
643:
639:
632:
627:
625:
620:
618:
613:
612:
609:
602:
591:
582:
577:
573:
569:
568:
563:
556:
554:
550:
546:
537:
534:
528:
519:
518:
517:Laurieipterus
514:
509:
508:
504:
503:
499:
495:
490:
489:
485:
481:
476:
475:
471:
466:
465:
461:
460:
459:
455:
452:
448:
446:
442:
441:
436:
435:
434:Laurieipterus
430:
426:
425:Stylonuroidea
418:
416:
414:
410:
406:
405:
400:
399:
390:
388:
386:
385:Late Devonian
382:
377:
375:
371:
367:
366:Stylonuroidea
363:
360:
356:
352:
338:
332:
331:
329:
326:
322:
315:
314:
313:Laurieipterus
309:
307:
306:
301:
300:
296:
292:
290:
289:
284:
282:
281:
276:
274:
273:
268:
267:
265:
260:
253:
252:
246:
243:
239:
232:
226:
223:
222:
219:
218:Stylonuroidea
213:
211:Superfamily:
210:
209:
206:
200:
197:
196:
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187:
184:
183:
180:
177:
174:
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160:
157:
154:
153:
150:
147:
144:
143:
138:
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125:
124:
118:
114:
109:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
47:
41:
34:
30:
22:
19:
1501:expanding it
1490:
1475:
1397:Stylonuridae
1367:Stylonuridae
1366:
1278:
1271:
1264:
1244:
1237:
1230:
1223:
1216:
1209:
1202:
1195:
1188:
1183:Hughmilleria
1181:
1174:
1167:
1160:
1153:
1146:
1139:
1132:
1015:Pterygotidae
951:Mixopteridae
907:Eurypteridae
782:Stylonuridae
781:
702:
693:
684:
675:
666:
574:(1): 49–61.
571:
565:
544:
536:
515:
505:
497:
486:
479:
472:
462:
457:Diener, 1924
454:Stylonuridae
453:
450:
449:
438:
432:
422:
402:
396:
394:
378:
368:(along with
351:Stylonuridae
350:
349:
311:
303:
294:
286:
278:
270:
249:
242:Type species
235:Diener, 1924
231:Stylonuridae
230:
121:
24:Stylonuridae
18:
1391:Wikispecies
1280:Palmichnium
1257:Ichnogenera
1155:Carcinosoma
849:Eurypterina
742:Stylonurina
680:Prosomapoda
662:Chelicerata
660:Subphylum:
638:Eurypterids
507:Ctenopterus
440:Ctenopterus
429:Stylonurina
427:within the
398:Ctenopterus
391:Description
374:Stylonurina
359:chelicerate
355:eurypterids
305:Ctenopterus
205:Stylonurina
192:Eurypterida
179:Chelicerata
175:Subphylum:
123:Ctenopterus
1540:Categories
1493:eurypterid
1246:Stylonurus
1232:Pterygotus
1211:Mixopterus
1204:Megarachne
1169:Eurypterus
1054:Ordovician
1010:Slimonidae
921:Infraorder
698:Dekatriata
689:Planaterga
656:Arthropoda
541:Størmer, L
529:References
496:Subfamily
492:Page, 1856
488:Stylonurus
362:arthropods
288:Stylonurus
262:Subgroups
256:Page, 1856
198:Suborder:
169:Arthropoda
29:Rhuddanian
1323:Metastoma
1307:Xiphosura
1297:Arachnida
1084:Geography
648:Kingdom:
339:Pageidae
155:Kingdom:
149:Eukaryota
33:Famennian
1382:Q1742365
1376:Wikidata
1344:Category
1266:Arcuites
1239:Slimonia
1064:Devonian
1059:Silurian
846:Suborder
739:Suborder
716:Taxonomy
654:Phylum:
650:Animalia
547:, P: 36.
325:Synonyms
224:Family:
165:Phylum:
159:Animalia
145:Domain:
1450:3581712
1424:4650051
1411:4305537
1112:Oceania
1074:Permian
383:to the
185:Order:
1437:104652
1102:Europe
1092:Africa
723:Genera
482:, 2018
480:et al.
451:Family
1491:This
1463:80999
1432:IRMNG
703:Clade
694:Clade
685:Clade
676:Clade
667:Clade
478:Plax
464:Pagea
404:Pagea
272:Pagea
1497:stub
1419:GBIF
1097:Asia
437:and
46:PreꞒ
1406:EoL
576:doi
1542::
1460::
1447::
1434::
1421::
1408::
1393::
1378::
705::
696::
687::
678::
669::
570:.
564:.
552:^
447:.
376:.
126:.
96:Pg
40:Ma
35:,
1528:e
1521:t
1514:v
1503:.
630:e
623:t
616:v
584:.
578::
572:8
310:†
302:†
293:†
285:†
277:†
269:†
248:†
228:†
215:†
202:†
189:†
101:N
91:K
86:J
81:T
76:P
71:C
66:D
61:S
56:O
51:Ꞓ
31:-
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