462:, 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.
453:, 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
177:
152:
133:
25:
563:
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
457:
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
546:
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.
2651:
2674:
2620:
42:
651:(editors). "Conservation Biology of Freshwater Turtles and Tortoises: A Compilation Project of the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group".
2568:
2594:
910:
843:
465:
Males have longer, thicker tails, narrower posterior plastral lobes, and narrower heads. The head of the female is swollen behind the eyes..
951:
636:) (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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911:
https://web.archive.org/web/20110608013412/http://nlbif.eti.uva.nl/bis/turtles.php?menuentry=soorten&id=172
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Liste der rezenten
Amphibien und Reptilien. Testudines, Crocodylia, Rhynchocephalia
2581:
2540:
2031:
1196:
579:
548:
428:
258:
132:
24:
921:
2409:
1004:
481:
is 2n = 58: 22 macrochromosomes, 36 microchromosomes. It differs from that of
385:
238:
2531:
929:
884:
Contribuciones al conocimiento sobre la ecologĂa y distribuciĂłn geográfica de
1994:
1977:
1923:
1643:
1564:
1485:
1474:
1165:
1023:
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408:
188:
2525:
2174:
2021:
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1300:
1084:
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1041:
980:
916:
http://www.catalogueoflife.org/show_species_details.php?record_id=4485015
754:, from the open formations of northeastern Brazil (Chelonii, Chelidae)".
527:
454:
450:
404:
400:
392:
248:
208:
2573:
1855:
1051:
992:
986:
587:
381:
218:
863:(1980). "Karyotypes of side-necked turtles (Testudines: Pleurodira)".
2586:
1768:
1716:
1680:
1669:
1148:
998:
974:
961:
228:
198:
2502:
816:
1032:
647:; van Dijk, P.P.; Saumure, R.A.; Buhlmann, K.A.; Iverson, J.B.;
2506:
933:
18:
799:
Forero-Medina, G.; Castaño-Mora, O.V.; Cárdenas-Arevalo, G.;
838:. Baltimore: Johns Hopkins University Press. xiii + 296 pp.
407:, where it lives in small pools, streams, and swamps, but
920:
Tortoise & Freshwater Turtle
Specialist Group 1996.
815:(5): 069.1–069.8. doi:10.3854/crm.5.069.dahli. v1.2013,
692:
Bulletin of the Museum of
Comparative Zoology at Harvard
807:(Zangerl and Medem 1958) – Dahl's Toad-Headed Turtle,
582:, feeding on snails, aquatic insects, other aquatic
2515:
2418:
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1083:
1074:
1040:
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1022:
1013:
49:. Unsourced material may be challenged and removed.
717:. Jena, Germany: Gustav Fischer Verlag. 422 pp.
538:Medem (1966) reported that the habitat at the
2487:Phylogenetic arrangement of turtles based on
945:
8:
795:
793:
791:
2675:IUCN Red List critically endangered species
781:(2):148-368 ISSN 18640-5755. Archived from
659:, doi:10.3854/ crm.5.000.checklist.v7.2014.
559:Medem (1966) reported the mating season of
2503:
2415:
2382:
2349:
2338:
2331:
2180:
2147:
2136:
2129:
2090:
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1046:
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150:
131:
122:
678:(1958). "A new species of chelid turtle,
109:Learn how and when to remove this message
878:
876:
667:
665:
427:, is in honor of Swedish-born Colombian
599:
715:Schildkröten, Krokodile, Brückenechsen
609:
607:
605:
603:
785:on 2010-12-17. Retrieved 29 May 2012.
7:
772:Checklist of Chelonians of the World
47:adding citations to reliable sources
888:(Testudinata, Pleurodira, Chelidae)
726:Wermuth, H.; Mertens, R. (1977). "
14:
836:The Eponym Dictionary of Reptiles
175:
23:
434:(1905-1979), who collected the
34:needs additional citations for
809:Carranchina, Tortuga Montañera
770:Fritz, U. and Havaš, P. 2007.
653:Chelonian Research Monographs
126:Dahl's toad-headed turtle
1:
2361:Erymnochelys madagascariensis
1119:Acanthochelys pallidipectoris
886:Phrynops (Batrachemys) dahli
813:Chelonian Research Monographs
614:Turtle Taxonomy Working Group
502:is only known from the lower
897:(45): 467–489. (in Spanish).
1256:Mesoclemmys sabiniparaensis
865:Canadian Journal of Zoology
834:; Grayson, Michael (2011).
551:occurs during dry periods.
361:— Zangerl & Medem, 1958
351:— Zangerl & Medem, 1958
341:— Zangerl & Medem, 1958
58:"Dahl's toad-headed turtle"
2716:
2700:Reptiles described in 1958
2394:Peltocephalus dumerilianus
1112:Acanthochelys macrocephala
756:Papéis Avulsos de Zoologia
750:(2005). "A new species of
564:about 28–30 mm long.
2695:Endemic fauna of Colombia
2483:
2448:Podocnemis sextuberculata
2427:Podocnemis erythrocephala
1049:
969:
372:Dahl's toad-headed turtle
332:Zangerl & Medem, 1958
317:
310:
287:
280:
172:Scientific classification
170:
148:
139:
130:
125:
2685:Turtles of South America
1611:Chelodina kurrichalpongo
1270:Mesoclemmys vanderhaegei
586:, fish, and amphibians;
2049:Hydromedusa maximiliani
1583:Chelodina burrungandjii
1553:Chelodina steindachneri
1278:Mesoclemmys vanegasorum
1263:Mesoclemmys tuberculata
1228:Mesoclemmys jurutiensis
1126:Acanthochelys radiolata
1632:Chelodina walloyarrina
1532:Chelodina novaeguineae
732:Das Tierreich (Berlin)
449:has an olive to brown
347:Phrynops nasutus dahli
2056:Hydromedusa tectifera
1955:Myuchelys latisternum
1705:Elseya flaviventralis
1510:Chelodina longicollis
1380:Platemys platycephala
737:: 1-174. (in German).
399:freshwater turtle is
397:critically endangered
157:Critically Endangered
2690:Reptiles of Colombia
2276:Pelusios rhodesianus
2227:Pelusios castanoides
2199:Pelusios bechuanicus
2102:Pseudemydura umbrina
1698:Elseya branderhorsti
1539:Chelodina pritchardi
1333:Phrynops paranaensis
1318:Phrynops geoffroanus
1249:Mesoclemmys raniceps
1242:Mesoclemmys perplexa
1133:Acanthochelys spixii
510:river basins in the
380:) is a medium-sized
43:improve this article
2455:Podocnemis unifilis
2248:Pelusios gabonensis
1786:Elseya novaeguineae
1741:Elseya lavarackorum
1604:Chelodina kuchlingi
1597:Chelodina insculpta
882:Medem, F. (1966). "
801:Medina-Rangel, G.F.
142:Conservation status
2441:Podocnemis lewyana
2434:Podocnemis expansa
2304:Pelusios williamsi
2241:Pelusios cupulatta
2220:Pelusios castaneus
2213:Pelusios carinatus
2206:Pelusios broadleyi
2192:Pelusios adansonii
2159:Pelomedusa subrufa
1948:Myuchelys georgesi
1901:Emydura tanybaraga
1894:Emydura subglobosa
1576:Chelodina alanrixi
1546:Chelodina reimanni
1503:Chelodina gunaleni
1347:Phrynops williamsi
1340:Phrynops tuberosus
1285:Mesoclemmys zuliae
1235:Mesoclemmys nasuta
1173:Chelus orinocensis
776:Vertebrate Zoology
690:, from Colombia".
487:in having the 8th
386:side-necked turtle
2662:
2661:
2634:Open Tree of Life
2547:Mesoclemmys dahli
2517:Mesoclemmys dahli
2509:Taxon identifiers
2500:
2499:
2493:. Key: †=extinct.
2479:
2478:
2475:
2474:
2471:
2470:
2403:
2402:
2370:
2369:
2321:
2320:
2317:
2316:
2313:
2312:
2290:Pelusios subniger
2283:Pelusios sinuatus
2168:
2167:
2119:
2118:
2115:
2114:
2111:
2110:
2069:
2068:
2065:
2064:
2016:
2015:
2012:
2011:
1995:Rheodytes leukops
1971:
1970:
1962:Myuchelys purvisi
1917:
1916:
1908:Emydura victoriae
1887:Emydura macquarii
1873:Emydura australis
1849:
1848:
1816:
1815:
1749:Elseya nadibajagu
1663:
1662:
1654:Chelodina oblonga
1618:Chelodina parkeri
1590:Chelodina expansa
1525:Chelodina murrayi
1517:Chelodina mccordi
1459:
1458:
1455:
1454:
1422:
1421:
1413:Ranacephala hogei
1389:
1388:
1356:
1355:
1294:
1293:
1221:Mesoclemmys gibba
1214:Mesoclemmys dahli
1190:
1189:
1181:Chelus colombiana
1142:
1141:
1070:
1069:
1066:
1065:
1062:
1061:
1058:
1057:
848:Mesoclemmys dahli
844:978-1-4214-0135-5
805:Mesoclemmys dahli
649:Mittermeier, R.A.
645:Pritchard, P.C.H.
578:is predominantly
524:Sucre Departments
460:Mesoclemmys dahli
377:Mesoclemmys dahli
369:
368:
362:
357:Mesoclemmys dahli
352:
342:
337:Batrachemys dahli
333:
291:Mesoclemmys dahli
165:
119:
118:
111:
93:
16:Species of turtle
2707:
2655:
2654:
2642:
2641:
2629:
2628:
2616:
2615:
2603:
2602:
2590:
2589:
2577:
2576:
2564:
2563:
2551:
2550:
2549:
2536:
2535:
2534:
2504:
2462:Podocnemis vogli
2416:
2383:
2350:
2339:
2332:
2297:Pelusios upembae
2234:Pelusios chapini
2181:
2148:
2137:
2130:
2091:
2080:
2038:
2027:
2003:Rheodytes devisi
1984:
1930:
1880:Emydura gunaleni
1862:
1829:
1807:Elseya schultzei
1676:
1625:Chelodina rugosa
1481:
1470:
1446:Rhinemys rufipes
1435:
1402:
1369:
1325:Phrynops hilarii
1307:
1203:
1166:Chelus fimbriata
1155:
1101:
1090:
1081:
1047:
1038:
1029:
1020:
954:
947:
940:
931:
898:
880:
871:
857:
851:
832:Watkins, Michael
825:
819:
797:
786:
768:
762:
744:
738:
724:
718:
704:
698:
669:
660:
657:(7): 000.329–479
643:Rhodin, A.G.J.;
611:
360:
350:
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293:
180:
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159:
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135:
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114:
107:
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94:
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51:
27:
19:
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2539:
2530:
2529:
2524:
2511:
2501:
2496:
2467:
2399:
2366:
2309:
2255:Pelusios marani
2164:
2107:
2075:Pseudemydurinae
2061:
2008:
1967:
1941:Myuchelys belli
1913:
1845:
1840:Elusor macrurus
1812:
1793:Elseya orestiad
1779:Elseya caelatus
1762:
1757:Elseya uberrima
1727:Elseya albagula
1710:
1659:
1637:
1558:
1496:Chelodina canni
1451:
1418:
1385:
1352:
1290:
1186:
1138:
1054:
1009:
965:
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789:
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741:
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721:
705:
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663:
612:
601:
596:
590:is also eaten.
573:
567:
557:
536:
497:
489:chromosome pair
471:
444:
417:
363:(recombination)
359:
353:(recombination)
349:
343:(recombination)
339:
306:
295:
289:
276:
174:
166:
155:
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104:
98:
95:
52:
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28:
17:
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11:
5:
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2702:
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2677:
2667:
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2656:
2643:
2630:
2617:
2604:
2591:
2578:
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2513:
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2507:
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2400:
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2372:
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2365:
2364:
2356:
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2336:
2329:
2327:Podocnemididae
2323:
2322:
2319:
2318:
2315:
2314:
2311:
2310:
2308:
2307:
2300:
2293:
2286:
2279:
2272:
2269:Pelusios niger
2265:
2262:Pelusios nanus
2258:
2251:
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2237:
2230:
2223:
2216:
2209:
2202:
2195:
2187:
2185:
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2165:
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2067:
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2063:
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2060:
2059:
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2044:
2042:
2035:
2024:
2022:Hydromedusinae
2018:
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1800:Elseya rhodini
1796:
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1694:
1691:Elseya dentata
1686:
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1673:
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1657:
1649:
1647:
1644:Macrochelodina
1639:
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584:invertebrates
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429:ichthyologist
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273:M. dahli
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60: –
59:
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54:Find sources:
48:
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38:
37:
32:This article
30:
26:
21:
20:
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2489:
2460:
2453:
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2344:Erymnochelys
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2085:Pseudemydura
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1717:Pelocomastes
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1465:Chelodininae
1444:
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960:Side-necked
922:
894:
891:
887:
883:
867:
864:
861:Legler, J.M.
859:Bull, J.J.;
855:
847:
835:
823:
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783:the original
778:
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575:
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555:Reproduction
543:
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526:in northern
499:
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495:Distribution
482:
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424:
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403:to northern
376:
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65:
53:
41:Please help
36:verification
33:
2680:Mesoclemmys
2582:iNaturalist
2541:Wikispecies
2032:Hydromedusa
1396:Ranacephala
1197:Mesoclemmys
828:Beolens, Bo
752:Mesoclemmys
711:Mertens, R.
707:Wermuth, H.
684:Batrachemys
672:Zangerl, R.
580:carnivorous
549:Aestivation
432:George Dahl
325:Batrachemys
260:Mesoclemmys
2669:Categories
2410:Podocnemis
2142:Pelomedusa
1005:Pleurodira
1003:Suborder:
999:Testudines
991:Subclass:
870:: 828-841.
761:: 295–311.
746:Bour, R.;
697:: 375-390.
594:References
442:Appearance
409:aestivates
239:Pleurodira
235:Suborder:
229:Testudines
69:newspapers
1978:Rheodytes
1924:Myuchelys
1565:Chelydera
1486:Chelodina
1475:Chelodina
1024:Subfamily
973:Kingdom:
850:, p. 64).
803:(2013). "
748:Zaher, H.
676:Medem, F.
512:Atlántico
504:Magdalena
491:biarmed.
484:M. nasuta
475:karyotype
415:Etymology
411:on land.
267:Species:
195:Kingdom:
189:Eukaryota
2526:Wikidata
2175:Pelusios
1429:Rhinemys
1363:Platemys
1301:Phrynops
1085:Chelinae
1076:Chelidae
1042:Subgenus
993:Anapsida
987:Reptilia
981:Chordata
979:Phylum:
975:Animalia
892:Caldasia
713:(1961).
680:Phrynops
634:Bour, R.
576:M. dahli
561:M. dahli
544:M. dahli
528:Colombia
500:M. dahli
479:M. dahli
469:Genetics
455:plastron
451:carapace
447:M. dahli
405:Colombia
393:Chelidae
321:Phrynops
312:Synonyms
249:Chelidae
245:Family:
219:Reptilia
209:Chordata
205:Phylum:
199:Animalia
185:Domain:
162:IUCN 2.3
99:May 2022
2626:1234953
2574:2442071
2532:Q901188
1856:Emydura
1052:Species
997:Order:
985:Class:
964:species
588:carrion
534:Habitat
520:CĂłrdoba
516:BolĂvar
401:endemic
395:. This
388:in the
382:species
305:, 1958)
299:Zangerl
255:Genus:
225:Order:
215:Class:
160: (
83:scholar
2639:904196
2600:949484
2419:
2386:
2353:
2335:
2184:
2151:
2133:
2094:
2041:
1987:
1933:
1865:
1832:
1823:Elusor
1681:Elseya
1670:Elseya
1438:
1405:
1372:
1310:
1206:
1158:
1149:Chelus
1104:
1015:Family
962:turtle
842:
390:family
301:&
85:
78:
71:
64:
56:
2652:dahli
2613:17080
2587:73863
2561:4232X
1033:Genus
688:dahli
425:dahli
329:dahli
303:Medem
90:JSTOR
76:books
2621:NCBI
2608:IUCN
2595:ITIS
2569:GBIF
840:ISBN
571:Diet
522:and
508:SinĂş
506:and
473:The
419:The
62:news
2556:CoL
890:".
846:. (
811:".
735:100
730:".
695:119
542:of
477:of
384:of
45:by
2671::
2649::
2647:RD
2636::
2623::
2610::
2597::
2584::
2571::
2558::
2543::
2528::
875:^
868:58
830:;
790:^
779:57
774:.
759:45
709:;
686:)
674:;
664:^
639:In
632:;
628:;
624:;
620:;
602:^
530:.
518:,
514:,
438:.
423:,
327:)
2000:â€
1754:â€
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616:(
374:(
323:(
297:(
164:)
112:)
106:(
101:)
97:(
87:·
80:·
73:·
66:·
39:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
