473:, but in those measured the plastral formula was: intergul > fem > abd > pect > an > hum >< gul. The intergular completely separates the gulars. Plastron, bridge, and undersides of the marginals are cream to yellow with gray pigment outlining the seams. The head is large and broad with a slightly projecting snout and slightly notched upper jaw. There are two chin barbels, and the dorsal surface of the head is covered with small to large, irregularly shaped scales. Dorsally, the head is gray to olive brown, but the upper jaw, tympanum, and sides are cream to yellow. Lower jaw, chin, and barbels are yellow. The neck is gray dorsally but lighter ventrally. No horny tubercles are present on the neck. Limbs and tail are gray to olive brown on the outside but lighter beneath.
464:, which is oval to elliptical (to 22.9 cm ) and widest behind the middle with a slightly serrated posterior rim. It is somewhat flattened dorsally, and the lateral marginals are upturned. A poorly developed vertebral keel may be present in juveniles and some adults. The flared 1st vertebral is the largest and broader than long, as is also the flared 5th. The 2nd and 3rd vertebrals are also usually broader than long, but the 4th, the smallest of the series, may be slightly longer or as long as broad. The cervical scute is normally longer than broad. The well-developed
188:
163:
144:
36:
574:
in
Colombia as June and July with nesting occurring mainly in September and October, but it may extend through the year. Apparently several clutches of one to six eggs are laid by each female. The white eggs are ellipsoidal (29-35 x 23–28 mm) with brittle shells, and hatchlings have carapaces
468:
is notched posteriorly. Its fore lobe is longer and broader than the hind lobe; the narrowness of the posterior lobe is particularly noticeable in males, and its breadth is only 36-38% of the plastral length. The bridge is relatively broad. We have seen few specimens of
557:
was originally ponds and small brooks within forests, but with the clearing of the woodlands the entire area around the type locality has been transformed into pastures. There, turtles seem to prefer shallow, quiet water bodies, where they fill a bottom-dwelling niche.
2662:
2685:
2631:
53:
662:(editors). "Conservation Biology of Freshwater Turtles and Tortoises: A Compilation Project of the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group".
2579:
2605:
921:
854:
476:
Males have longer, thicker tails, narrower posterior plastral lobes, and narrower heads. The head of the female is swollen behind the eyes..
962:
647:) (2014). "Turtles of the World, 7th edition: annotated checklist of taxonomy, synonymy, distribution with maps, and conservation status".
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Turtles of the World 2021 Update: Annotated
Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status
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https://web.archive.org/web/20110608013412/http://nlbif.eti.uva.nl/bis/turtles.php?menuentry=soorten&id=172
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182:
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Liste der rezenten
Amphibien und Reptilien. Testudines, Crocodylia, Rhynchocephalia
17:
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559:
439:
269:
143:
35:
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492:
is 2n = 58: 22 macrochromosomes, 36 microchromosomes. It differs from that of
396:
249:
2542:
940:
895:
Contribuciones al conocimiento sobre la ecologĂa y distribuciĂłn geográfica de
2005:
1988:
1934:
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927:
http://www.catalogueoflife.org/show_species_details.php?record_id=4485015
765:, from the open formations of northeastern Brazil (Chelonii, Chelidae)".
538:
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461:
415:
411:
403:
259:
219:
2584:
1866:
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1003:
997:
598:
392:
229:
874:(1980). "Karyotypes of side-necked turtles (Testudines: Pleurodira)".
2597:
1779:
1727:
1691:
1680:
1159:
1009:
985:
972:
239:
209:
2513:
827:
1043:
658:; van Dijk, P.P.; Saumure, R.A.; Buhlmann, K.A.; Iverson, J.B.;
2517:
944:
29:
810:
Forero-Medina, G.; Castaño-Mora, O.V.; Cárdenas-Arevalo, G.;
849:. Baltimore: Johns Hopkins University Press. xiii + 296 pp.
418:, where it lives in small pools, streams, and swamps, but
931:
Tortoise & Freshwater Turtle
Specialist Group 1996.
826:(5): 069.1–069.8. doi:10.3854/crm.5.069.dahli. v1.2013,
703:
Bulletin of the Museum of
Comparative Zoology at Harvard
818:(Zangerl and Medem 1958) – Dahl's Toad-Headed Turtle,
593:, feeding on snails, aquatic insects, other aquatic
2526:
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1103:
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1051:
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1024:
60:. Unsourced material may be challenged and removed.
728:. Jena, Germany: Gustav Fischer Verlag. 422 pp.
549:Medem (1966) reported that the habitat at the
2498:Phylogenetic arrangement of turtles based on
956:
8:
806:
804:
802:
2686:IUCN Red List critically endangered species
792:(2):148-368 ISSN 18640-5755. Archived from
670:, doi:10.3854/ crm.5.000.checklist.v7.2014.
570:Medem (1966) reported the mating season of
2514:
2426:
2393:
2360:
2349:
2342:
2191:
2158:
2147:
2140:
2101:
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1940:
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1100:
1091:
1057:
1048:
1039:
1030:
963:
949:
941:
161:
142:
133:
689:(1958). "A new species of chelid turtle,
120:Learn how and when to remove this message
889:
887:
678:
676:
438:, is in honor of Swedish-born Colombian
610:
726:Schildkröten, Krokodile, Brückenechsen
620:
618:
616:
614:
796:on 2010-12-17. Retrieved 29 May 2012.
7:
783:Checklist of Chelonians of the World
58:adding citations to reliable sources
899:(Testudinata, Pleurodira, Chelidae)
737:Wermuth, H.; Mertens, R. (1977). "
25:
847:The Eponym Dictionary of Reptiles
186:
34:
445:(1905-1979), who collected the
45:needs additional citations for
820:Carranchina, Tortuga Montañera
781:Fritz, U. and Havaš, P. 2007.
664:Chelonian Research Monographs
137:Dahl's toad-headed turtle
1:
2372:Erymnochelys madagascariensis
1130:Acanthochelys pallidipectoris
897:Phrynops (Batrachemys) dahli
824:Chelonian Research Monographs
625:Turtle Taxonomy Working Group
513:is only known from the lower
908:(45): 467–489. (in Spanish).
1267:Mesoclemmys sabiniparaensis
876:Canadian Journal of Zoology
845:; Grayson, Michael (2011).
562:occurs during dry periods.
372:— Zangerl & Medem, 1958
362:— Zangerl & Medem, 1958
352:— Zangerl & Medem, 1958
69:"Dahl's toad-headed turtle"
2727:
2711:Reptiles described in 1958
2405:Peltocephalus dumerilianus
1123:Acanthochelys macrocephala
767:Papéis Avulsos de Zoologia
761:(2005). "A new species of
575:about 28–30 mm long.
2706:Endemic fauna of Colombia
2494:
2459:Podocnemis sextuberculata
2438:Podocnemis erythrocephala
1060:
980:
383:Dahl's toad-headed turtle
343:Zangerl & Medem, 1958
328:
321:
298:
291:
183:Scientific classification
181:
159:
150:
141:
136:
2696:Turtles of South America
1622:Chelodina kurrichalpongo
1281:Mesoclemmys vanderhaegei
597:, fish, and amphibians;
2060:Hydromedusa maximiliani
1594:Chelodina burrungandjii
1564:Chelodina steindachneri
1289:Mesoclemmys vanegasorum
1274:Mesoclemmys tuberculata
1239:Mesoclemmys jurutiensis
1137:Acanthochelys radiolata
1643:Chelodina walloyarrina
1543:Chelodina novaeguineae
743:Das Tierreich (Berlin)
460:has an olive to brown
358:Phrynops nasutus dahli
2067:Hydromedusa tectifera
1966:Myuchelys latisternum
1716:Elseya flaviventralis
1521:Chelodina longicollis
1391:Platemys platycephala
748:: 1-174. (in German).
410:freshwater turtle is
408:critically endangered
168:Critically Endangered
2701:Reptiles of Colombia
2287:Pelusios rhodesianus
2238:Pelusios castanoides
2210:Pelusios bechuanicus
2113:Pseudemydura umbrina
1709:Elseya branderhorsti
1550:Chelodina pritchardi
1344:Phrynops paranaensis
1329:Phrynops geoffroanus
1260:Mesoclemmys raniceps
1253:Mesoclemmys perplexa
1144:Acanthochelys spixii
521:river basins in the
391:) is a medium-sized
54:improve this article
2466:Podocnemis unifilis
2259:Pelusios gabonensis
1797:Elseya novaeguineae
1752:Elseya lavarackorum
1615:Chelodina kuchlingi
1608:Chelodina insculpta
893:Medem, F. (1966). "
812:Medina-Rangel, G.F.
153:Conservation status
2452:Podocnemis lewyana
2445:Podocnemis expansa
2315:Pelusios williamsi
2252:Pelusios cupulatta
2231:Pelusios castaneus
2224:Pelusios carinatus
2217:Pelusios broadleyi
2203:Pelusios adansonii
2170:Pelomedusa subrufa
1959:Myuchelys georgesi
1912:Emydura tanybaraga
1905:Emydura subglobosa
1587:Chelodina alanrixi
1557:Chelodina reimanni
1514:Chelodina gunaleni
1358:Phrynops williamsi
1351:Phrynops tuberosus
1296:Mesoclemmys zuliae
1246:Mesoclemmys nasuta
1184:Chelus orinocensis
787:Vertebrate Zoology
701:, from Colombia".
498:in having the 8th
397:side-necked turtle
2673:
2672:
2645:Open Tree of Life
2558:Mesoclemmys dahli
2528:Mesoclemmys dahli
2520:Taxon identifiers
2511:
2510:
2504:. Key: †=extinct.
2490:
2489:
2486:
2485:
2482:
2481:
2414:
2413:
2381:
2380:
2332:
2331:
2328:
2327:
2324:
2323:
2301:Pelusios subniger
2294:Pelusios sinuatus
2179:
2178:
2130:
2129:
2126:
2125:
2122:
2121:
2080:
2079:
2076:
2075:
2027:
2026:
2023:
2022:
2006:Rheodytes leukops
1982:
1981:
1973:Myuchelys purvisi
1928:
1927:
1919:Emydura victoriae
1898:Emydura macquarii
1884:Emydura australis
1860:
1859:
1827:
1826:
1760:Elseya nadibajagu
1674:
1673:
1665:Chelodina oblonga
1629:Chelodina parkeri
1601:Chelodina expansa
1536:Chelodina murrayi
1528:Chelodina mccordi
1470:
1469:
1466:
1465:
1433:
1432:
1424:Ranacephala hogei
1400:
1399:
1367:
1366:
1305:
1304:
1232:Mesoclemmys gibba
1225:Mesoclemmys dahli
1201:
1200:
1192:Chelus colombiana
1153:
1152:
1081:
1080:
1077:
1076:
1073:
1072:
1069:
1068:
859:Mesoclemmys dahli
855:978-1-4214-0135-5
816:Mesoclemmys dahli
660:Mittermeier, R.A.
656:Pritchard, P.C.H.
589:is predominantly
535:Sucre Departments
471:Mesoclemmys dahli
388:Mesoclemmys dahli
380:
379:
373:
368:Mesoclemmys dahli
363:
353:
348:Batrachemys dahli
344:
302:Mesoclemmys dahli
176:
130:
129:
122:
104:
27:Species of turtle
18:Mesoclemmys dahli
16:(Redirected from
2718:
2666:
2665:
2653:
2652:
2640:
2639:
2627:
2626:
2614:
2613:
2601:
2600:
2588:
2587:
2575:
2574:
2562:
2561:
2560:
2547:
2546:
2545:
2515:
2473:Podocnemis vogli
2427:
2394:
2361:
2350:
2343:
2308:Pelusios upembae
2245:Pelusios chapini
2192:
2159:
2148:
2141:
2102:
2091:
2049:
2038:
2014:Rheodytes devisi
1995:
1941:
1891:Emydura gunaleni
1873:
1840:
1818:Elseya schultzei
1687:
1636:Chelodina rugosa
1492:
1481:
1457:Rhinemys rufipes
1446:
1413:
1380:
1336:Phrynops hilarii
1318:
1214:
1177:Chelus fimbriata
1166:
1112:
1101:
1092:
1058:
1049:
1040:
1031:
965:
958:
951:
942:
909:
891:
882:
868:
862:
843:Watkins, Michael
836:
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808:
797:
779:
773:
755:
749:
735:
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671:
668:(7): 000.329–479
654:Rhodin, A.G.J.;
622:
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2550:
2541:
2540:
2535:
2522:
2512:
2507:
2478:
2410:
2377:
2320:
2266:Pelusios marani
2175:
2118:
2086:Pseudemydurinae
2072:
2019:
1978:
1952:Myuchelys belli
1924:
1856:
1851:Elusor macrurus
1823:
1804:Elseya orestiad
1790:Elseya caelatus
1773:
1768:Elseya uberrima
1738:Elseya albagula
1721:
1670:
1648:
1569:
1507:Chelodina canni
1462:
1429:
1396:
1363:
1301:
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1065:
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623:
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607:
601:is also eaten.
584:
578:
568:
547:
508:
500:chromosome pair
482:
455:
428:
374:(recombination)
370:
364:(recombination)
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354:(recombination)
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2338:Podocnemididae
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2329:
2326:
2325:
2322:
2321:
2319:
2318:
2311:
2304:
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2280:Pelusios niger
2276:
2273:Pelusios nanus
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2255:
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2033:Hydromedusinae
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1702:Elseya dentata
1697:
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1655:Macrochelodina
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641:Shaffer, H.B.
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633:Iverson, J.B.
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595:invertebrates
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440:ichthyologist
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293:Binomial name
290:
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284:M. dahli
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71: –
70:
66:
65:Find sources:
59:
55:
49:
48:
43:This article
41:
37:
32:
31:
19:
2527:
2500:
2471:
2464:
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2403:
2386:
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2355:Erymnochelys
2353:
2313:
2306:
2299:
2292:
2285:
2278:
2271:
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2250:
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2236:
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2184:
2168:
2151:
2111:
2096:Pseudemydura
2094:
2065:
2058:
2041:
2012:
2004:
1987:
1971:
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1728:Pelocomastes
1726:
1714:
1707:
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1690:
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1476:Chelodininae
1455:
1438:
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1389:
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1190:
1182:
1175:
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1135:
1128:
1121:
1104:
971:Side-necked
933:
905:
902:
898:
894:
878:
875:
872:Legler, J.M.
870:Bull, J.J.;
866:
858:
846:
834:
823:
819:
815:
794:the original
789:
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649:
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586:
585:
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571:
569:
566:Reproduction
554:
548:
537:in northern
510:
509:
506:Distribution
493:
489:
483:
475:
470:
457:
456:
435:
429:
414:to northern
387:
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270:
131:
116:
107:
97:
90:
83:
76:
64:
52:Please help
47:verification
44:
2691:Mesoclemmys
2593:iNaturalist
2552:Wikispecies
2043:Hydromedusa
1407:Ranacephala
1208:Mesoclemmys
839:Beolens, Bo
763:Mesoclemmys
722:Mertens, R.
718:Wermuth, H.
695:Batrachemys
683:Zangerl, R.
591:carnivorous
560:Aestivation
443:George Dahl
336:Batrachemys
271:Mesoclemmys
2680:Categories
2421:Podocnemis
2153:Pelomedusa
1016:Pleurodira
1014:Suborder:
1010:Testudines
1002:Subclass:
881:: 828-841.
772:: 295–311.
757:Bour, R.;
708:: 375-390.
605:References
453:Appearance
420:aestivates
250:Pleurodira
246:Suborder:
240:Testudines
80:newspapers
1989:Rheodytes
1935:Myuchelys
1576:Chelydera
1497:Chelodina
1486:Chelodina
1035:Subfamily
984:Kingdom:
861:, p. 64).
814:(2013). "
759:Zaher, H.
687:Medem, F.
523:Atlántico
515:Magdalena
502:biarmed.
495:M. nasuta
486:karyotype
426:Etymology
422:on land.
278:Species:
206:Kingdom:
200:Eukaryota
2537:Wikidata
2186:Pelusios
1440:Rhinemys
1374:Platemys
1312:Phrynops
1096:Chelinae
1087:Chelidae
1053:Subgenus
1004:Anapsida
998:Reptilia
992:Chordata
990:Phylum:
986:Animalia
903:Caldasia
724:(1961).
691:Phrynops
645:Bour, R.
587:M. dahli
572:M. dahli
555:M. dahli
539:Colombia
511:M. dahli
490:M. dahli
480:Genetics
466:plastron
462:carapace
458:M. dahli
416:Colombia
404:Chelidae
332:Phrynops
323:Synonyms
260:Chelidae
256:Family:
230:Reptilia
220:Chordata
216:Phylum:
210:Animalia
196:Domain:
173:IUCN 2.3
110:May 2022
2637:1234953
2585:2442071
2543:Q901188
1867:Emydura
1063:Species
1008:Order:
996:Class:
975:species
599:carrion
545:Habitat
531:CĂłrdoba
527:BolĂvar
412:endemic
406:. This
399:in the
393:species
316:, 1958)
310:Zangerl
266:Genus:
236:Order:
226:Class:
171: (
94:scholar
2650:904196
2611:949484
2430:
2397:
2364:
2346:
2195:
2162:
2144:
2105:
2052:
1998:
1944:
1876:
1843:
1834:Elusor
1692:Elseya
1681:Elseya
1449:
1416:
1383:
1321:
1217:
1169:
1160:Chelus
1115:
1026:Family
973:turtle
853:
401:family
312:&
96:
89:
82:
75:
67:
2663:dahli
2624:17080
2598:73863
2572:4232X
1044:Genus
699:dahli
436:dahli
340:dahli
314:Medem
101:JSTOR
87:books
2632:NCBI
2619:IUCN
2606:ITIS
2580:GBIF
851:ISBN
582:Diet
533:and
519:SinĂş
517:and
484:The
430:The
73:news
2567:CoL
901:".
857:. (
822:".
746:100
741:".
706:119
553:of
488:of
395:of
56:by
2682::
2660::
2658:RD
2647::
2634::
2621::
2608::
2595::
2582::
2569::
2554::
2539::
886:^
879:58
841:;
801:^
790:57
785:.
770:45
720:;
697:)
685:;
675:^
650:In
643:;
639:;
635:;
631:;
613:^
541:.
529:,
525:,
449:.
434:,
338:)
2011:â€
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123:)
117:(
112:)
108:(
98:·
91:·
84:·
77:·
50:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
