61:
39:
402:
as the closest relative of
Abrotrichini, but the basal relationships among the components of Oryzomyalia remain elusive. Sigmodontinae encompasses hundreds of species found throughout South America and into North America. It is one of several subfamilies recognized in the family
372:
is sister to the remaining genera; it includes three species found in central and southern Chile and nearby
Argentina. The remaining three genera, each of which includes a single species, are closely related and share
303:
gene found further evidence for the distinction between
Akodontini and this group and proposed the name Abrotrichini for the latter. The name Abrotrichini remained formally unavailable under the
415:
Abrotrichines are small to medium-sized sigmodontine rodents with long and soft, usually gray or brown fur, a short, hairy tail and large, strong feet with well-developed claws. In the
317:
genes, affirmed the distinction between
Akodontini and the new group. In 2007, Guillermo D'ElĂa and coworkers published a full diagnosis of the tribe Abrotrichini, validating the name.
307:, however, because their proposal had been conditional. Thus, the clade remained without a valid name and for this reason it was included in Akodontini in the 2005 third edition of
684:
Phylogenetics of
Sigmodontinae (Rodentia, Muroidea, Cricetidae), with special reference to the akodont group, and with additional comments on historical biogeography
304:
770:
733:
711:
Definition and diagnosis of a new tribe of sigmodontine rodents (Cricetidae: Sigmodontinae), and a revised classification of the subfamily.
293:
studies in the early 1990s first provided evidence for their distinction from
Akodontini, and in 1999 a study analyzing sequences of the
571:
Smith and Patton, 1999, p. 106: "An appropriate name for the new tribe would be
Abrotrichini"; D'ElĂa et al., 2007, p. 190
248:
763:
268:
724:
Musser, G.G. and
Carleton, M.D. 2005. Superfamily Muroidea. Pp. 894–1531 in Wilson, D.E. and Reeder, D.M. (eds.).
60:
309:
756:
740:
Phylogenetic relationships and the radiation of sigmodontine rodents in South
America: evidence from cytochrome
167:
443:(high-crowned). The molars lack many accessory features, in particularly the third upper molar. There are 13
252:
1077:
997:
850:
1072:
691:
Phylogenetic analysis of sigmodontine rodents (Muroidea), with special reference to the akodont genus
1044:
878:
885:
701:
On the sigmodontine radiation (Rodentia, Cricetidae): An appraisal of the phylogenetic position of
484:
420:
950:
928:
892:
857:
580:
D'ElĂa, 2003, fig. 1; D'ElĂa et al., 2003, fig. 2; D'ElĂa et al., 2006, figs. 1, 2
389:
55:
47:
700:
690:
1035:
921:
871:
864:
843:
729:
444:
364:
358:
294:
957:
914:
460:
456:
683:
228:
1066:
822:
710:
432:
393:
236:
132:
475:
297:
38:
1029:
748:
356:
and includes about nine species, among which are the northernmost abrotrichine,
314:
1020:
816:
739:
471:
404:
280:
153:
122:
833:
467:
440:
424:
374:
322:
256:
184:
161:
72:
407:, which includes many more species, mainly from Eurasia and North America.
1014:
979:
969:
904:
798:
726:
Mammal
Species of the World: a taxonomic and geographic reference. 3rd ed
652:
Smith and Patton, 1999, figs. 4, 5; D'ElĂa et al., 2006, fig. 1
474:(2n = 52), present in several species, has been suggested as a
448:
398:
340:
328:
290:
264:
205:
191:
92:
28:
728:. Baltimore: The Johns Hopkins University Press, 2 vols., 2142 pp.
436:
240:
706:(subscription only). Molecular Phylogenetics and Evolution 38:558–564.
940:
810:
804:
792:
714:
428:
334:
285:
260:
232:
198:
112:
102:
82:
991:
416:
244:
1049:
283:
until the 1990s, and some were even classified within the genus
995:
752:
725:
699:
D'ElĂa, G., Luna, L., González, E.M. and Patterson, B.D. 2006.
381:
occurs in central and southern Chile and nearby Argentina, and
709:
D'ElĂa, G., Pardiñas, U.F.J., Teta, P. and Patton, J.L. 2007.
478:
of the tribe, but while this possibility is yet to be tested,
452:
745:(subscription only). Journal of Mammalian Evolution 6:89–128.
344:—which fall into two major subgroups, one including only
689:
D'ElĂa, G., González, E.M. and Pardiñas, U.F.J. 2003.
313:. Other phylogenetic studies, which also incorporated
1004:
967:
938:
902:
831:
279:Abrotrichines were universally placed in the tribe
696:(subscription only). Mammalian Biology 68:351–364.
396:. Within Oryzomyalia, some studies have recovered
482:is now known to have 2n = 56 and some
764:
616:Musser and Carleton, 2005, pp. 1109–1110
607:Musser and Carleton, 2005, pp. 1088–1091
305:International Code of Zoological Nomenclature
255:to southernmost South America, including the
8:
686:(subscription only). Cladistics 19:307–323.
992:
771:
757:
749:
37:
20:
431:is long (extending back beyond the third
348:and one including the four other genera.
537:
535:
147:D'ElĂa, Pardiñas, Teta, and Patton, 2007
634:Musser and Carleton, 2005, p. 1136
625:Musser and Carleton, 2005, p. 1116
594:
592:
590:
588:
586:
541:Musser and Carleton, 2005, p. 1087
516:
514:
512:
510:
508:
506:
504:
502:
500:
496:
392:, which includes most of the subfamily
549:
547:
362:as well as far southern forms such as
738:Smith, M.F. & Patton, J.L. 1999.
435:). There are no grooves in the upper
7:
670:Smith and Patton, 1999, p. 105
562:Smith and Patton, 1999, p. 106
529:Smith and Patton, 1999, p. 104
320:Abrotrichini includes four genera—
14:
661:D'ElĂa et al., 2006, p. 563
643:D'ElĂa et al., 2006, fig. 1
598:D'ElĂa et al., 2007, p. 190
520:D'ElĂa et al., 2007, p. 188
59:
388:The tribe is part of the clade
368:. Within the remaining group,
352:has formerly been included in
1:
259:steppes. The earliest known
239:. It includes about fifteen
310:Mammal Species of the World
1094:
423:hourglass-shaped, and the
787:
553:Musser and Carleton, 2005
419:, the snout is long, the
180:
175:
159:
152:
56:Scientific classification
54:
45:
36:
23:
488:have 2n = 44.
459:vertebrae, and 18 to 29
439:and the molars are not
385:in southern Argentina,
225:southern Andean clade
219:, also known as the
485:Abrothrix olivaceus
421:interorbital region
463:(tail) vertebrae.
377:(digging) habits.
48:Abrothrix sanborni
1060:
1059:
998:Taxon identifiers
989:
988:
779:Species of tribe
734:978-0-8018-8221-0
682:D'ElĂa, G. 2003.
365:Abrothrix lanosus
359:Abrothrix jelskii
247:, distributed in
235:in the subfamily
214:
213:
148:
1085:
1053:
1052:
1040:
1039:
1038:
1025:
1024:
1023:
993:
773:
766:
759:
750:
677:Literature cited
671:
668:
662:
659:
653:
650:
644:
641:
635:
632:
626:
623:
617:
614:
608:
605:
599:
596:
581:
578:
572:
569:
563:
560:
554:
551:
542:
539:
530:
527:
521:
518:
451:with associated
146:
64:
63:
41:
27:Temporal range:
21:
16:Tribe of rodents
1093:
1092:
1088:
1087:
1086:
1084:
1083:
1082:
1063:
1062:
1061:
1056:
1048:
1043:
1034:
1033:
1028:
1019:
1018:
1013:
1000:
990:
985:
963:
934:
898:
851:A. hershkovitzi
827:
783:
777:
679:
674:
669:
665:
660:
656:
651:
647:
642:
638:
633:
629:
624:
620:
615:
611:
606:
602:
597:
584:
579:
575:
570:
566:
561:
557:
552:
545:
540:
533:
528:
524:
519:
498:
494:
413:
277:
171:
165:
145:
58:
32:
25:
17:
12:
11:
5:
1091:
1089:
1081:
1080:
1075:
1065:
1064:
1058:
1057:
1055:
1054:
1041:
1026:
1010:
1008:
1002:
1001:
996:
987:
986:
984:
983:
975:
973:
965:
964:
962:
961:
954:
951:G. valdivianus
946:
944:
936:
935:
933:
932:
925:
918:
910:
908:
900:
899:
897:
896:
889:
882:
875:
868:
861:
854:
847:
839:
837:
829:
828:
826:
825:
819:
813:
807:
801:
795:
788:
785:
784:
778:
776:
775:
768:
761:
753:
747:
746:
736:
722:
707:
697:
687:
678:
675:
673:
672:
663:
654:
645:
636:
627:
618:
609:
600:
582:
573:
564:
555:
543:
531:
522:
495:
493:
490:
412:
409:
276:
273:
251:from southern
212:
211:
210:
209:
202:
195:
188:
178:
177:
173:
172:
166:
157:
156:
150:
149:
140:
136:
135:
130:
126:
125:
120:
116:
115:
110:
106:
105:
100:
96:
95:
90:
86:
85:
80:
76:
75:
70:
66:
65:
52:
51:
43:
42:
34:
33:
26:
15:
13:
10:
9:
6:
4:
3:
2:
1090:
1079:
1078:Mammal tribes
1076:
1074:
1071:
1070:
1068:
1051:
1046:
1042:
1037:
1031:
1027:
1022:
1016:
1012:
1011:
1009:
1007:
1003:
999:
994:
982:
981:
977:
976:
974:
972:
971:
966:
960:
959:
955:
953:
952:
948:
947:
945:
943:
942:
937:
931:
930:
926:
924:
923:
919:
917:
916:
912:
911:
909:
907:
906:
901:
895:
894:
890:
888:
887:
883:
881:
880:
879:A. longipilis
876:
874:
873:
869:
867:
866:
862:
860:
859:
855:
853:
852:
848:
846:
845:
841:
840:
838:
836:
835:
830:
824:
823:Sigmodontinae
820:
818:
814:
812:
808:
806:
802:
800:
796:
794:
790:
789:
786:
782:
774:
769:
767:
762:
760:
755:
754:
751:
744:
743:
737:
735:
731:
727:
723:
720:
717:
716:
712:
708:
705:
704:
698:
695:
694:
688:
685:
681:
680:
676:
667:
664:
658:
655:
649:
646:
640:
637:
631:
628:
622:
619:
613:
610:
604:
601:
595:
593:
591:
589:
587:
583:
577:
574:
568:
565:
559:
556:
550:
548:
544:
538:
536:
532:
526:
523:
517:
515:
513:
511:
509:
507:
505:
503:
501:
497:
491:
489:
487:
486:
481:
477:
473:
469:
464:
462:
458:
454:
450:
446:
442:
438:
434:
430:
427:rounded. The
426:
422:
418:
410:
408:
406:
401:
400:
395:
394:Sigmodontinae
391:
386:
384:
380:
376:
371:
367:
366:
361:
360:
355:
351:
347:
343:
342:
337:
336:
331:
330:
325:
324:
318:
316:
312:
311:
306:
302:
301:
296:
295:mitochondrial
292:
288:
287:
282:
274:
272:
270:
266:
263:are from the
262:
258:
254:
250:
249:South America
246:
242:
238:
237:Sigmodontinae
234:
230:
226:
222:
218:
208:
207:
203:
201:
200:
196:
194:
193:
189:
187:
186:
182:
181:
179:
174:
169:
164:
163:
158:
155:
151:
144:
141:
138:
137:
134:
133:Sigmodontinae
131:
128:
127:
124:
121:
118:
117:
114:
111:
108:
107:
104:
101:
98:
97:
94:
91:
88:
87:
84:
81:
78:
77:
74:
71:
68:
67:
62:
57:
53:
50:
49:
44:
40:
35:
30:
22:
19:
1073:Abrotrichini
1036:Abrotrichini
1006:Abrotrichini
1005:
980:N. edwardsii
978:
968:
958:G. annectens
956:
949:
939:
929:C. megalonyx
927:
920:
913:
903:
891:
886:A. olivaceus
884:
877:
870:
863:
856:
849:
842:
832:
781:Abrotrichini
780:
741:
721:(2):187–194.
718:
713:
702:
692:
666:
657:
648:
639:
630:
621:
612:
603:
576:
567:
558:
525:
483:
479:
476:synapomorphy
465:
414:
397:
387:
382:
378:
369:
363:
357:
353:
349:
345:
339:
333:
327:
321:
319:
308:
299:
284:
278:
224:
221:Andean clade
220:
217:Abrotrichini
216:
215:
204:
197:
190:
183:
160:
143:Abrotrichini
142:
46:
24:Abrotrichini
18:
1030:Wikispecies
922:C. macronyx
893:A. sanborni
858:A. illuteus
821:Subfamily:
480:Pearsonomys
472:chromosomes
411:Description
390:Oryzomyalia
298:cytochrome
129:Subfamily:
1067:Categories
915:C. delfini
872:A. lanosus
865:A. jelskii
844:A. andinus
817:Cricetidae
492:References
405:Cricetidae
281:Akodontini
257:Patagonian
168:Waterhouse
154:Type genus
123:Cricetidae
834:Abrothrix
791:Kingdom:
468:karyotype
449:vertebrae
441:hypsodont
425:braincase
375:fossorial
350:Abrothrix
346:Abrothrix
323:Abrothrix
269:Argentina
185:Abrothrix
162:Abrothrix
79:Kingdom:
73:Eukaryota
31:to Recent
1050:13037404
1021:Q2540613
1015:Wikidata
970:Notiomys
905:Chelemys
815:Family:
811:Rodentia
805:Mammalia
799:Chordata
797:Phylum:
793:Animalia
703:Rhagomys
693:Deltamys
447:(chest)
445:thoracic
437:incisors
399:Wiedomys
383:Notiomys
370:Chelemys
341:Notiomys
329:Chelemys
291:Allozyme
275:Taxonomy
265:Pliocene
243:in four
206:Notiomys
192:Chelemys
119:Family:
113:Rodentia
103:Mammalia
93:Chordata
89:Phylum:
83:Animalia
69:Domain:
29:Pliocene
809:Order:
803:Class:
315:nuclear
261:fossils
241:species
233:rodents
227:, is a
176:Genera
139:Tribe:
109:Order:
99:Class:
941:Geoxus
732:
715:Gayana
470:of 52
461:caudal
457:lumbar
433:molars
429:palate
379:Geoxus
354:Akodon
338:, and
335:Geoxus
286:Akodon
245:genera
199:Geoxus
170:, 1837
417:skull
229:tribe
730:ISBN
455:, 6
453:ribs
253:Peru
1045:EoL
267:of
231:of
223:or
1069::
1047::
1032::
1017::
719:71
585:^
546:^
534:^
499:^
466:A
332:,
326:,
289:.
271:.
772:e
765:t
758:v
742:b
300:b
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