53:
33:
180:
201:
has a permanent conical penis occupying the entire male cavity. The final portion of the ejaculatory duct, the channel that guides sperm through the penis, has an expanded cavity that resembles a volcanic crater. It is very similar to the related genus
506:
Carbayo, F.; Álvarez-Presas, M.; Olivares, C. U. T.; Marques, F. P. L.; Froehlich, E. X. M.; Riutort, M. (2013). "Molecular phylogeny of
Geoplaninae (Platyhelminthes) challenges current classification: Proposal of taxonomic actions".
833:
Boll, Piter Kehoma; Amaral, Silvana Vargas; Leal-Zanchet, Ana Maria (2019). "Two new land planarian species (Platyhelminthes: Tricladida: Geoplanidae) from protected areas in southern Brazil".
197:
is characterized by having a leaf-shaped body. Most species are between 3 and 7 cm long. The hundreds of eyes distributed along the body are monolobulated, i.e., simple and circular. The
545:
Carbayo, Fernando; Almeida, Ana Laura (2015). "Anatomical deviation of male organs of land planarians from Rio de
Janeiro, Brazil, with description of two new species of
1078:
1104:
884:
Rossi, Ilana; Fontoura, Marcela; Amaral, Silvana; Leal-Zanchet, Ana M. (2014). "A new species of land flatworm (Platyhelminthes: Continenticola) from areas of
786:
Rossi, Ilana; Amaral, Silvana Vargas; Ribeiro, Giovana Gamino; Cauduro, Guilherme Pinto; Fick, Israel; Valiati, Victor Hugo; Leal-Zanchet, Ana Maria (2015).
1052:
1091:
198:
665:"Five new pseudocryptic land planarian species of ''Cratera'' (Platyhelminthes: Tricladida) unveiled through integrative taxonomy"
1130:
788:"Two new Geoplaninae species (Platyhelminthes: Continenticola) from Southern Brazil based on an integrative taxonomic approach"
1096:
599:
Lago-Barcia, Domingo; Carbayo, Fernando (2018). "Taxonomic revision of four species of the
Neotropical land planarian genera
1163:
937:(Platyhelminthes, Geoplanidae) in Argentina, with description of a new species and comments on the species of the genus"
1109:
410:
145:
733:
Carbayo et al., 2013 from
Araucaria forests with a key to species of the genus (Platyhelminthes, Continenticola)"
52:
992:
460:
360:
185:
663:
Araujo, Ana Paula
Goulart; Carbayo, Fernando; Riutort, Marta; Álvarez-Presas, Marta (4 September 2020).
310:
280:
189:
showing the expanded cavity at the final portion of the ejaculatory duct (ej) in the penis papilla (pp).
1158:
1135:
866:
815:
686:
524:
390:
47:
1117:
1083:
1039:
972:
954:
913:
905:
858:
850:
807:
768:
750:
704:
636:
628:
574:
566:
440:
380:
250:
1122:
962:
944:
897:
842:
799:
758:
740:
694:
676:
620:
558:
516:
420:
320:
204:
32:
179:
300:
260:
229:
607:(Platyhelminthes, Tricladida) with a description of two new species and an emendation of
967:
932:
763:
728:
699:
664:
430:
400:
340:
221:
168:
1152:
1030:
870:
370:
819:
528:
1044:
470:
350:
330:
290:
270:
137:
803:
1015:
1065:
1024:
450:
114:
104:
901:
846:
745:
624:
562:
958:
949:
909:
854:
811:
754:
690:
632:
570:
208:, the main difference being the presence of trilobulated eyes in the latter.
94:
64:
976:
917:
862:
772:
708:
640:
578:
1009:
84:
1057:
681:
375:
Rossi, Amaral, Ribeiro, Cauduro, Fick, Valiati & Leal-Zanchet, 2015
1070:
520:
74:
986:
787:
178:
164:
990:
228:
and refers to the cavity in the penis that resembles a
999:
455:
Araujo, Carbayo, Riutort & Álvarez-Presas, 2020
395:
Araujo, Carbayo, Riutort & Álvarez-Presas, 2020
345:
Araujo, Carbayo, Riutort & Álvarez-Presas, 2020
295:
Araujo, Carbayo, Riutort & Álvarez-Presas, 2020
275:
Araujo, Carbayo, Riutort & Álvarez-Presas, 2020
594:
592:
590:
588:
425:Rossi, Fontoura, Amaral & Leal-Zanchet, 2014
540:
538:
501:
499:
497:
495:
493:
491:
183:Sagittal view of the copulatory apparatus of
8:
931:Negrete, Lisandro; Brusa, Francisco (2016).
658:
656:
654:
652:
650:
722:
720:
718:
240:There are 24 species assigned to the genus
987:
31:
20:
966:
948:
762:
744:
698:
680:
727:Rossi, Ilana; Leal-Zanchet, Ana (2017).
487:
385:Amaral, Boll & Leal-Zanchet, 2019
7:
14:
888:> Forest in southern Brazil".
549:(Platyhelminthes, Tricladida)".
51:
405:Lago-Barcia & Carbayo, 2018
265:Lago-Barcia & Carbayo, 2018
365:Rossi & Leal-Zanchet, 2017
315:Rossi & Leal-Zanchet, 2017
285:Rossi & Leal-Zanchet, 2017
1:
804:10.1080/00222933.2015.1084057
933:"First report of the genus
325:Carbayo & Almeida, 2015
255:Carbayo & Almeida, 2015
146:Geoplana pseudovaginuloides
1180:
792:Journal of Natural History
411:Cratera pseudovaginuloides
41:Cratera pseudovaginuloides
902:10.11646/zootaxa.3794.4.2
847:10.11646/zootaxa.4664.4.5
746:10.3897/zookeys.643.11093
625:10.11646/zootaxa.4500.4.3
563:10.11646/zootaxa.3931.1.2
465:Negrete & Brusa, 2016
143:
136:
48:Scientific classification
46:
39:
30:
23:
950:10.3897/zookeys.610.9465
171:found in South America.
475:(E. M. Froehlich, 1955)
435:(E. M. Froehlich, 1955)
305:(E. M. Froehlich, 1955)
729:"Three new species of
461:Cratera viridimaculata
361:Cratera nigrimarginata
190:
186:Cratera viridimaculata
311:Cratera cryptolineata
281:Cratera aureomaculata
182:
1164:Rhabditophora genera
220:is derived from the
199:copulatory apparatus
131:Carbayo et al., 2013
798:(13–14): 787–815.
682:10.7717/peerj.9726
391:Cratera paraitinga
191:
16:Genus of flatworms
1146:
1145:
1118:Open Tree of Life
993:Taxon identifiers
521:10.1111/zsc.12019
509:Zoologica Scripta
476:
466:
456:
446:
441:Cratera taxiarcha
436:
426:
416:
406:
396:
386:
381:Cratera obsidiana
376:
366:
356:
355:(Froehlich, 1956)
346:
336:
326:
316:
306:
296:
286:
276:
266:
256:
251:Cratera anamariae
156:
155:
132:
1171:
1139:
1138:
1126:
1125:
1113:
1112:
1100:
1099:
1087:
1086:
1074:
1073:
1061:
1060:
1048:
1047:
1035:
1034:
1033:
1020:
1019:
1018:
988:
981:
980:
970:
952:
928:
922:
921:
881:
875:
874:
830:
824:
823:
783:
777:
776:
766:
748:
724:
713:
712:
702:
684:
660:
645:
644:
596:
583:
582:
542:
533:
532:
503:
474:
464:
454:
444:
434:
424:
421:Cratera steffeni
414:
404:
394:
384:
374:
364:
354:
344:
334:
324:
321:Cratera cuarassu
314:
304:
294:
284:
274:
264:
254:
130:
56:
55:
35:
21:
1179:
1178:
1174:
1173:
1172:
1170:
1169:
1168:
1149:
1148:
1147:
1142:
1134:
1129:
1121:
1116:
1108:
1103:
1095:
1090:
1082:
1077:
1069:
1064:
1056:
1051:
1043:
1038:
1029:
1028:
1023:
1014:
1013:
1008:
995:
985:
984:
930:
929:
925:
883:
882:
878:
832:
831:
827:
785:
784:
780:
726:
725:
716:
662:
661:
648:
598:
597:
586:
544:
543:
536:
505:
504:
489:
484:
479:
415:(Riester, 1938)
301:Cratera crioula
261:Cratera arucuia
238:
230:volcanic crater
214:
177:
169:land planarians
152:
149:
129:
85:Platyhelminthes
50:
17:
12:
11:
5:
1177:
1175:
1167:
1166:
1161:
1151:
1150:
1144:
1143:
1141:
1140:
1127:
1114:
1101:
1088:
1075:
1062:
1049:
1036:
1021:
1005:
1003:
997:
996:
991:
983:
982:
923:
896:(4): 514–524.
876:
841:(4): 535–550.
825:
778:
714:
646:
619:(4): 517–542.
584:
534:
515:(5): 508–528.
486:
485:
483:
480:
478:
477:
467:
457:
447:
445:(Marcus, 1951)
437:
431:Cratera tamoia
427:
417:
407:
401:Cratera picuia
397:
387:
377:
367:
357:
347:
341:Cratera imbiri
337:
335:(Marcus, 1951)
327:
317:
307:
297:
287:
277:
267:
257:
246:
237:
234:
213:
210:
176:
173:
154:
153:
150:
141:
140:
134:
133:
122:
118:
117:
112:
108:
107:
102:
98:
97:
92:
88:
87:
82:
78:
77:
72:
68:
67:
62:
58:
57:
44:
43:
37:
36:
28:
27:
15:
13:
10:
9:
6:
4:
3:
2:
1176:
1165:
1162:
1160:
1157:
1156:
1154:
1137:
1132:
1128:
1124:
1119:
1115:
1111:
1106:
1102:
1098:
1093:
1089:
1085:
1080:
1076:
1072:
1067:
1063:
1059:
1054:
1050:
1046:
1041:
1037:
1032:
1026:
1022:
1017:
1011:
1007:
1006:
1004:
1002:
998:
994:
989:
978:
974:
969:
964:
960:
956:
951:
946:
943:(610): 1–12.
942:
938:
936:
927:
924:
919:
915:
911:
907:
903:
899:
895:
891:
887:
880:
877:
872:
868:
864:
860:
856:
852:
848:
844:
840:
836:
829:
826:
821:
817:
813:
809:
805:
801:
797:
793:
789:
782:
779:
774:
770:
765:
760:
756:
752:
747:
742:
739:(643): 1–32.
738:
734:
732:
723:
721:
719:
715:
710:
706:
701:
696:
692:
688:
683:
678:
674:
670:
666:
659:
657:
655:
653:
651:
647:
642:
638:
634:
630:
626:
622:
618:
614:
610:
606:
602:
595:
593:
591:
589:
585:
580:
576:
572:
568:
564:
560:
556:
552:
548:
541:
539:
535:
530:
526:
522:
518:
514:
510:
502:
500:
498:
496:
494:
492:
488:
481:
473:
472:
468:
463:
462:
458:
453:
452:
448:
443:
442:
438:
433:
432:
428:
423:
422:
418:
413:
412:
408:
403:
402:
398:
393:
392:
388:
383:
382:
378:
373:
372:
371:Cratera ochra
368:
363:
362:
358:
353:
352:
348:
343:
342:
338:
333:
332:
328:
323:
322:
318:
313:
312:
308:
303:
302:
298:
293:
292:
288:
283:
282:
278:
273:
272:
268:
263:
262:
258:
253:
252:
248:
247:
245:
243:
235:
233:
231:
227:
223:
219:
211:
209:
207:
206:
200:
196:
188:
187:
181:
174:
172:
170:
166:
162:
161:
151:Riester, 1938
148:
147:
142:
139:
135:
128:
127:
123:
120:
119:
116:
113:
110:
109:
106:
103:
100:
99:
96:
93:
90:
89:
86:
83:
80:
79:
76:
73:
70:
69:
66:
63:
60:
59:
54:
49:
45:
42:
38:
34:
29:
26:
22:
19:
1000:
940:
934:
926:
893:
889:
885:
879:
838:
834:
828:
795:
791:
781:
736:
730:
672:
668:
616:
612:
608:
604:
600:
557:(1): 27–40.
554:
550:
546:
512:
508:
471:Cratera yara
469:
459:
449:
439:
429:
419:
409:
399:
389:
379:
369:
359:
351:Cratera joia
349:
339:
331:Cratera hina
329:
319:
309:
299:
291:Cratera boja
289:
279:
271:Cratera assu
269:
259:
249:
241:
239:
225:
217:
215:
203:
194:
192:
184:
159:
158:
157:
144:
138:Type species
125:
124:
40:
24:
18:
1159:Geoplanidae
1066:iNaturalist
1025:Wikispecies
451:Cratera tui
175:Description
115:Geoplaninae
111:Subfamily:
105:Geoplanidae
1153:Categories
482:References
193:The genus
95:Tricladida
1016:Q20686311
959:1313-2970
910:1175-5334
886:Araucaria
871:202857022
855:1175-5334
812:0022-2933
755:1313-2970
691:2167-8359
675:: e9726.
633:1175-5334
571:1175-5334
216:The name
212:Etymology
71:Kingdom:
65:Eukaryota
1010:Wikidata
977:27587974
918:24870339
863:31716655
820:86172935
773:28144173
709:32983634
641:30486048
605:Geoplana
579:25781812
529:85286215
101:Family:
81:Phylum:
75:Animalia
61:Domain:
1123:5131681
1110:1336499
1097:1037749
1084:1480749
1058:7952874
1031:Cratera
1001:Cratera
968:4992809
941:ZooKeys
935:Cratera
890:Zootaxa
835:Zootaxa
764:5242264
737:ZooKeys
731:Cratera
700:7491415
613:Zootaxa
609:Cratera
601:Cratera
551:Zootaxa
547:Cratera
242:Cratera
236:Species
218:Cratera
195:Cratera
160:Cratera
126:Cratera
121:Genus:
91:Order:
25:Cratera
1136:878815
1071:512170
975:
965:
957:
916:
908:
869:
861:
853:
818:
810:
771:
761:
753:
707:
697:
689:
639:
631:
577:
569:
527:
226:crater
1131:WoRMS
1079:IRMNG
1045:7NTR3
867:S2CID
816:S2CID
687:eISSN
669:PeerJ
525:S2CID
224:word
222:Latin
205:Obama
165:genus
163:is a
1105:NCBI
1092:ITIS
1053:GBIF
973:PMID
955:ISSN
914:PMID
906:ISSN
894:3794
859:PMID
851:ISSN
839:4664
808:ISSN
769:PMID
751:ISSN
705:PMID
637:PMID
629:ISSN
617:4500
603:and
575:PMID
567:ISSN
555:3931
1040:CoL
963:PMC
945:doi
898:doi
843:doi
800:doi
759:PMC
741:doi
695:PMC
677:doi
621:doi
611:".
559:doi
517:doi
167:of
1155::
1133::
1120::
1107::
1094::
1081::
1068::
1055::
1042::
1027::
1012::
971:.
961:.
953:.
939:.
912:.
904:.
892:.
865:.
857:.
849:.
837:.
814:.
806:.
796:50
794:.
790:.
767:.
757:.
749:.
735:.
717:^
703:.
693:.
685:.
671:.
667:.
649:^
635:.
627:.
615:.
587:^
573:.
565:.
553:.
537:^
523:.
513:42
511:.
490:^
244::
232:.
979:.
947::
920:.
900::
873:.
845::
822:.
802::
775:.
743::
711:.
679::
673:8
643:.
623::
581:.
561::
531:.
519::
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