102:
124:
235:
214:
with about 1000 described species in 110 genera distributed worldwide. These are among the smallest of mayflies, adults rarely exceeding 10 mm in length excluding the two long slender tails and sometimes much smaller, and members of the family are often referred to as
561:
1271:
585:
541:
289:
1310:
692:
571:
511:
308:
302:
595:
1245:
1284:
734:
687:
611:
1289:
1362:
1315:
1224:
1057:
1237:
1297:
1154:
1131:
727:
1159:
1354:
1367:
123:
1395:
329:
224:
1341:
1084:
720:
1336:
1276:
471:
1328:
1193:
227:) but the hindwings are usually very small or even absent. The males often have very large
8:
1122:
300:
aged Taimyr amber. The oldest members of the family date to the Late
Cretaceous, with
118:
1400:
1390:
1323:
1180:
1062:
1036:
886:
1185:
979:
894:
830:
669:
411:
287:, with the subfamily Palaeocloeoninae Kluge, 1997 consiting of the single genus †
262:
110:
1302:
1136:
712:
1232:
1219:
1018:
987:
930:
925:
863:
858:
850:
678:
231:, shaped like turrets above the head (this is known as "turbinate condition").
101:
1384:
1107:
1000:
995:
943:
920:
873:
840:
835:
817:
356:
317:
280:
The majority of living genera (approximately 95) are placed in the subfamily
59:
915:
907:
868:
481:
421:
657:
1258:
1146:
1116:
1023:
935:
797:
451:
441:
401:
258:
34:
1067:
501:
374:
336:
313:
228:
223:. Most species have long oval forewings with very few cross veins (see
185:
79:
44:
1172:
698:
1263:
1206:
1010:
809:
775:
763:
461:
391:
346:
297:
155:
135:
84:
1250:
1078:
631:
1211:
1167:
1101:
1028:
521:
431:
381:
281:
74:
69:
54:
49:
39:
967:
234:
89:
64:
1198:
781:
769:
757:
744:
551:
531:
366:
250:
239:
211:
175:
165:
145:
1349:
266:
254:
246:
673:
Collins Guide to the
Insects of Britain and Western Europe
323:
660:: family Baetidae Leach, 1815 (retrieved 31 March 2024)
742:
1382:
728:
245:Baetids breed in a wide range of waters from
735:
721:
546:Suttinun, Gattolliat & Boonsoong, 2020
100:
876:(flat-headed mayflies or stream mayflies)
795:
653:
651:
233:
556:Cruz, Salles, Hamada & Falcão, 2020
265:are strong swimmers and feed mainly on
1383:
1083:
1082:
964:
794:
716:
648:
612:List of mayflies of the British Isles
566:Phlai-ngam & Tungpairojwong, 2022
324:Selected genera in subfamily Baetinae
1355:3FAF161E-2364-543C-B25B-13A942C6785C
1238:4e6350ff-091e-4d73-9085-0d04f7a5c5fa
965:
624:
13:
600:Hill, Pfeiffer & Jacobus, 2010
491:
238:A baetid mayfly emerging from its
14:
1412:
590:Kaltenbach & Gattolliat, 2020
580:Lugo-Ortiz & McCafferty, 1996
122:
32:
1:
617:
7:
1031:(small squaregill mayflies)
605:
275:
10:
1417:
526:Needham & Murphy, 1924
456:Novikova & Kluge, 1987
446:Novikova & Kluge, 1987
396:Waltz and McCafferty, 1985
327:
1091:
1053:
1009:
978:
974:
960:
906:
885:
849:
808:
804:
790:
752:
119:Scientific classification
117:
108:
99:
23:
990:(spiny crawler mayflies)
693:Nomina Insecta Nearctica
897:(prong-gilled mayflies)
330:List of Baetidae genera
225:Comstock-Needham system
242:
1337:Paleobiology Database
675:1986 (Reprinted 1991)
472:Pseudocentroptiloides
237:
221:small minnow mayflies
1233:Fauna Europaea (new)
938:(burrowing mayflies)
682:Insects and Spiders
679:McGavin, George C.
386:Keffermüller, 1960
351:Waltz et al., 1994
243:
16:Family of mayflies
1378:
1377:
1324:Open Tree of Life
1085:Taxon identifiers
1076:
1075:
1063:William L. Peters
1058:George F. Edmunds
1049:
1048:
1045:
1044:
1037:Prosopistomatidae
1032:
991:
956:
955:
952:
951:
939:
898:
877:
826:
782:Ephemeropteroidea
437:
427:
417:
407:
397:
387:
372:
362:
205:
204:
201:
30:Cenomanian–Recent
1408:
1371:
1370:
1358:
1357:
1345:
1344:
1332:
1331:
1319:
1318:
1306:
1305:
1303:NHMSYS0000066929
1293:
1292:
1280:
1279:
1267:
1266:
1254:
1253:
1241:
1240:
1228:
1227:
1215:
1214:
1202:
1201:
1189:
1188:
1176:
1175:
1163:
1162:
1150:
1149:
1140:
1139:
1127:
1126:
1125:
1112:
1111:
1110:
1080:
1079:
1030:
989:
976:
975:
962:
961:
937:
896:
895:Leptophlebiidae
887:Leptophlebioidea
875:
825:(small mayflies)
824:
806:
805:
792:
791:
737:
730:
723:
714:
713:
708:
706:
705:
699:"Mayfly Central"
670:Chinery, Michael
661:
655:
646:
645:
643:
642:
628:
601:
591:
581:
577:P. leptobranchus
567:
557:
547:
537:
527:
517:
516:Gattolliat, 2012
507:
487:
477:
467:
457:
447:
435:
425:
415:
405:
395:
385:
370:
360:
352:
342:
295:
286:
199:
127:
126:
104:
94:
31:
27:Temporal range:
21:
20:
1416:
1415:
1411:
1410:
1409:
1407:
1406:
1405:
1396:Insect families
1381:
1380:
1379:
1374:
1366:
1361:
1353:
1348:
1340:
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1327:
1322:
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1270:
1262:
1257:
1249:
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1236:
1231:
1223:
1218:
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1205:
1197:
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1184:
1179:
1171:
1166:
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1153:
1145:
1143:
1135:
1130:
1121:
1120:
1115:
1106:
1105:
1100:
1087:
1077:
1072:
1041:
1005:
988:Ephemerellidae
980:Ephemerelloidea
970:
948:
902:
881:
845:
831:Oniscigastridae
800:
786:
748:
741:
711:
703:
701:
697:
665:
664:
656:
649:
640:
638:
630:
629:
625:
620:
608:
599:
589:
579:
565:
562:Megabranchiella
555:
545:
535:
525:
515:
506:Bengtsson, 1912
505:
494:
492:Unplaced genera
485:
475:
466:Bengtsson, 1915
465:
455:
445:
412:Camelobaetidius
350:
340:
332:
326:
312:known from the
293:
284:
278:
272:
210:is a family of
198:
121:
111:Cloeon dipterum
95:
93:
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82:
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72:
67:
62:
57:
52:
47:
42:
37:
29:
28:
25:
17:
12:
11:
5:
1414:
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1398:
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1376:
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1372:
1359:
1346:
1333:
1320:
1307:
1294:
1281:
1268:
1255:
1242:
1229:
1220:Fauna Europaea
1216:
1203:
1190:
1177:
1164:
1151:
1141:
1128:
1113:
1097:
1095:
1089:
1088:
1074:
1073:
1071:
1070:
1065:
1060:
1054:
1051:
1050:
1047:
1046:
1043:
1042:
1040:
1039:
1034:
1026:
1021:
1019:Neoephemeridae
1015:
1013:
1007:
1006:
1004:
1003:
998:
993:
984:
982:
972:
971:
958:
957:
954:
953:
950:
949:
947:
946:
941:
933:
931:Polymitarcydae
928:
926:Euthyplociidae
923:
918:
912:
910:
904:
903:
901:
900:
891:
889:
883:
882:
880:
879:
874:Heptageniidae
871:
866:
864:Oligoneuriidae
861:
859:Coloburiscidae
855:
853:
851:Heptagenioidea
847:
846:
844:
843:
838:
833:
828:
820:
814:
812:
802:
801:
788:
787:
785:
784:
778:
772:
766:
760:
753:
750:
749:
740:
739:
732:
725:
717:
710:
709:
695:
690:
688:Fauna Europaea
685:
676:
666:
663:
662:
647:
622:
621:
619:
616:
615:
614:
607:
604:
603:
602:
592:
582:
568:
558:
548:
538:
528:
518:
508:
493:
490:
489:
488:
486:Klapálek, 1905
478:
468:
458:
448:
438:
428:
418:
416:Demoulin, 1966
408:
398:
388:
378:
363:
353:
343:
328:Main article:
325:
322:
277:
274:
217:small mayflies
203:
202:
193:
189:
188:
183:
179:
178:
173:
169:
168:
163:
159:
158:
153:
149:
148:
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133:
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128:
115:
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106:
105:
97:
96:
88:
83:
78:
73:
68:
63:
58:
53:
48:
43:
38:
33:
26:
15:
9:
6:
4:
3:
2:
1413:
1402:
1399:
1397:
1394:
1392:
1389:
1388:
1386:
1369:
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1356:
1351:
1347:
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1334:
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1325:
1321:
1317:
1312:
1308:
1304:
1299:
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1286:
1282:
1278:
1273:
1269:
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1256:
1252:
1247:
1243:
1239:
1234:
1230:
1226:
1221:
1217:
1213:
1208:
1204:
1200:
1195:
1191:
1187:
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1174:
1169:
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1069:
1066:
1064:
1061:
1059:
1056:
1055:
1052:
1038:
1035:
1033:
1027:
1025:
1022:
1020:
1017:
1016:
1014:
1012:
1008:
1002:
1001:Tricorythidae
999:
997:
996:Leptohyphidae
994:
992:
986:
985:
983:
981:
977:
973:
969:
963:
959:
945:
944:Palingeniidae
942:
940:
934:
932:
929:
927:
924:
922:
921:Potamanthidae
919:
917:
914:
913:
911:
909:
905:
899:
893:
892:
890:
888:
884:
878:
872:
870:
867:
865:
862:
860:
857:
856:
854:
852:
848:
842:
841:Ametropodidae
839:
837:
836:Ameletopsidae
834:
832:
829:
827:
821:
819:
818:Siphlonuridae
816:
815:
813:
811:
807:
803:
799:
793:
789:
783:
779:
777:
773:
771:
767:
765:
761:
759:
755:
754:
751:
746:
745:Ephemeroptera
738:
733:
731:
726:
724:
719:
718:
715:
700:
696:
694:
691:
689:
686:
683:
680:
677:
674:
671:
668:
667:
659:
654:
652:
637:
633:
627:
623:
613:
610:
609:
598:
597:
593:
588:
587:
586:Procerobaetis
583:
578:
574:
573:
569:
564:
563:
559:
554:
553:
549:
544:
543:
539:
534:
533:
529:
524:
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519:
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509:
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503:
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497:
484:
483:
479:
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469:
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459:
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453:
449:
444:
443:
439:
434:
433:
429:
424:
423:
419:
414:
413:
409:
404:
403:
399:
394:
393:
389:
384:
383:
379:
376:
369:
368:
364:
359:
358:
357:Americabaetis
354:
349:
348:
344:
341:Gillies, 1990
339:
338:
334:
333:
331:
321:
319:
318:Burmese amber
315:
311:
310:
305:
304:
299:
292:
291:
283:
273:
270:
268:
264:
260:
256:
252:
248:
241:
236:
232:
230:
226:
222:
218:
213:
209:
197:
194:
191:
190:
187:
184:
181:
180:
177:
176:Ephemeroptera
174:
171:
170:
167:
164:
161:
160:
157:
154:
151:
150:
147:
144:
141:
140:
137:
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112:
107:
103:
98:
91:
86:
81:
76:
71:
66:
61:
56:
51:
46:
41:
36:
22:
19:
1092:
936:Ephemeridae
916:Behningiidae
908:Ephemeroidea
869:Isonychiidae
822:
780:Superorder:
702:. Retrieved
681:
672:
639:. Retrieved
635:
626:
594:
584:
576:
575:- monotypic
570:
560:
550:
542:Cymbalcloeon
540:
530:
520:
510:
500:
495:
482:Pseudocloeon
480:
470:
460:
450:
440:
436:Traver, 1938
430:
422:Centroptilum
420:
410:
400:
390:
380:
365:
355:
345:
335:
307:
301:
290:Palaeocloeon
288:
279:
271:
244:
220:
216:
207:
206:
195:
109:
18:
1259:iNaturalist
1117:Wikispecies
1024:Baetiscidae
798:Schistonota
572:Paracloedes
536:Leach, 1815
512:Acerobiella
476:Jacob, 1986
452:Nigrobaetis
442:Labiobaetis
426:Eaton, 1869
406:Eaton, 1881
402:Callibaetis
371:Leach, 1815
361:Kluge, 1992
309:Vetuformosa
303:Myanmarella
294:Kluge, 1997
285:Leach, 1815
259:water butts
1385:Categories
1068:Jay Traver
774:Subclass:
764:Arthropoda
704:2018-04-29
641:2018-04-29
632:"Baetidae"
618:References
596:Waynokiops
502:Acentrella
375:type genus
337:Afroptilum
314:Cenomanian
200:Leach 1815
186:Pisciforma
182:Suborder:
156:Arthropoda
1029:Caenidae
1011:Caenoidea
966:Suborder
823:Baetidae
810:Baetoidea
796:Suborder
776:Pterygota
756:Kingdom:
658:BioLib.cz
462:Procloeon
392:Barbaetis
347:Alainites
298:Santonian
296:from the
257:and even
142:Kingdom:
136:Eukaryota
1401:Baetidae
1391:Mayflies
1168:BugGuide
1144:BioLib:
1137:Baetidae
1123:Baetidae
1102:Wikidata
1093:Baetidae
762:Phylum:
758:Animalia
747:families
606:See also
522:Baetodes
496:Source:
432:Cloeodes
382:Baetopus
282:Baetinae
276:Taxonomy
212:mayflies
208:Baetidae
196:Baetidae
192:Family:
152:Phylum:
146:Animalia
132:Domain:
24:Baetidae
1199:2762482
1108:Q250234
968:Pannota
770:Insecta
768:Class:
743:Extant
255:ditches
251:streams
172:Order:
166:Insecta
162:Class:
1368:593159
1342:194939
1329:848197
1316:172515
1290:100755
1277:104426
1212:1BAETF
552:Macuxi
532:Cloeon
367:Baetis
263:nymphs
261:. The
240:exuvia
1363:WoRMS
1350:Plazi
1272:IRMNG
1264:48009
1225:11220
1147:16913
316:aged
267:algae
247:lakes
1311:NCBI
1285:ITIS
1251:7865
1246:GBIF
1207:EPPO
1173:9042
1160:1687
1155:BOLD
684:2004
636:GBIF
306:and
249:and
229:eyes
35:PreꞒ
1298:NBN
1194:EoL
1186:6ZG
1181:CoL
1132:AFD
253:to
219:or
1387::
1365::
1352::
1339::
1326::
1313::
1300::
1287::
1274::
1261::
1248::
1235::
1222::
1209::
1196::
1183::
1170::
1157::
1134::
1119::
1104::
650:^
634:.
320:.
269:.
85:Pg
736:e
729:t
722:v
707:.
644:.
377:)
373:(
90:N
80:K
75:J
70:T
65:P
60:C
55:D
50:S
45:O
40:Ꞓ
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