Chthonerpeton indistinctum

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August undefined, 2024

WebJul 6, 2024 · CHTHONERPETON INDISTINCTUM (Argentina Caecilian). PREDATION. July 2024 Authors: Lucas De Souza Almeida São Paulo State University Cláudio Dias Timm Figures Discover the world's research Content... WebAppearance. Chthonerpeton indistinctum is a snakelike amphibian with no limbs. It can grow to about 53 cm (21 in). The body has 70 to 80 transverse folds, giving it a segmented appearance. The head has a pair of sensory tentacles between the nostrils and the eyes, and this area of skin is white. The body is black above and dark grey beneath ...

Chthonerpeton indistinctum (Reinhardt and Lütken, 1862)

WebAdditional comparisons with C. indistinctum and the comparisons with the other five known species of Chthonerpeton were based on data reported in the literature (Taylor, 1968;Nussbaum, 1986 ... WebChapter Reproduction in Caecilians Marvalee H. Wake Chapter 407 Accesses 11 Citations 3 Altmetric Abstract Caecilians (Order Gymnophiona) are limbless, elongate, burrowing or swimming amphibians that inhabit the tropics of most of the world. Their reproductive biology includes several modes. highters whsmith

Comparative morphology and evolution of the lungless caecilian

WebChthonerpeton indistinctum Taxonomy ID: 420416 (for references in articles please use NCBI:txid420416) current name Chthonerpeton indistinctum (Reinhardt and Lutken, … WebGametogenesis in Chthonerpeton indistinctum (Gymnophiona: Typhlonectidae) Histologically, the gonads of Chthonerpeton indistinctum are similar to others described for the orden Gymnophiona. The testes lobes are divided into structural units or locules. Spermatogenesis takes place in synchronic cysts of germinal cells. WebGametogenesis in Chthonerpeton indistinctum (Gymnophiona: Typhlonectidae) Histologically, the gonads of Chthonerpeton indistinctum are similar to others … hightes redaing and writing on sat

Histology of the ovaries and fat bodies of Chthonerpeton indistinctum ...

Chthonerpeton indistinctum - Wikipedia

Web-Histological analysis revealed three different stages in the development of ovarian follicles of Chthonerpeton indistinctum. These stages are identified by (1) location of the oocyte in the ovary wall, (2) oocyte morphology and staining characteristics, (3) development of the zona pellucida, and (4) orga nization of the follicular layer. WebDec 23, 2024 · Chthonerpeton indistinctum (Reinhardt & Lütken, 1862) Lectotype: ZMUC R-0235. [designated by Taylor (1968: 299)] Type locality: “Buenos Ayres”, Argentina. Combinations . Siphonops indistinctus Reinhardt & Lütken, 1862: 203 [original combination] Chthonterpeton indistinctum — Peters, 1880: 40 [subsequent combination] Synonyms ... highters heath primary schoolWebChthonerpeton indistinctum (Reinhardt and Lütken, 1861) ~ Typhlonectes natans Fischer, 1879 a Chondrichthyes Hydrolagus colliei Lay and Bennett, 1839" Cladistia Polypterus senegalus Cuvier, 1829 a ... Chthonerpeton indist. + + + - - 258 a Typhlonectes natans 109 123 0.9 - - 321 The data show that a BP is present only in primitive gymnophion- ... small showcase

"Webpatterns between this species and Chthonerpeton indistinctum is under-taken. THE gymnophionans are unique among Am-phibia insofar as reproduction is accom-plished through internal fertilization by use of an eversible cloaca. However, prior to 1969, di-rect observations of copulation in caecilians had not been recorded (Taylor, 1968; Wake, … " - Chthonerpeton indistinctum

Chthonerpeton indistinctum

WebHistológicamente, las gónadas de Chthonerpeton indistinctum son similares a las ya descritas para otras especies del orden Gymnophiona. Los lóbulos testiculares se hallan compartimentados en unidades estructurales denominadas lóculos. La espermatogénesis ocurre en cistos sincrónicos de células germinales. WebSep 16, 2024 · Genus: Chthonerpeton Species: C. arii – C. braestrupi – C. exile – C. indistinctum – C. noctinectes – C. onorei – C. perissodus – C. tremembe – C. …

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Chthonerpeton contains the following species: • Chthonerpeton arii Cascon and Lima-Verde, 1994 • Chthonerpeton braestrupi Taylor, 1968 • Chthonerpeton exile Nussbaum and Wilkinson, 1987 Webexample, Chthonerpeton indistinctum (Wied- ersheim, 18791, Siphonops annulatus, Schis- tometopum thomensis, Uraeotyphlus oxyurus, Hypogeophis rostratus, and Z. glutinosus (Pe- ter, 1894), Hypogeophis rostratus (Lawson, ’63), anterior four or five vertebrae of 24 spe- cies (Taylor, ’771, and the fossil Apodops pricei

WebMar 1, 2003 · Chthonerpeton indistinctum is nontropical, and reports suggest a distinct breeding season, allowing the potential for estimation of reproductive success. WebC. indistinctum and the comparisons with the other five known species of Chthonerpeton were based on data reported in the ... Chthonerpeton perissodus (pentagon), Chthonerpeton indistinctum (circle), and Chthonerpeton viviparum (asterisk). Locality data from Nussbaum (1986), Gudynas et al. (1988), Cascon and Lima-Verde (1994), …

WebJun 1, 2015 · This study of Chthonerpeton indistinctum (Reinhardt & Lütken, 1861) considers 25 morphometric characters, teeth-counts and sex, based on 96 specimens. A multivariate analysis of characters and ... WebAn Chthonerpeton indistinctum[2][3] in uska species han Amphibia nga syahan ginhulagway ni Johannes Theodor Reinhardt ngan Christian Frederik Lütken hadton …

WebThe case of Chthonerpeton is more illustrative, as a major spiral becomes visible from diplonema and keeps during metaphase I, through metaphase II - a fact not observed …

Webof Chthonerpeton indistinctum. These stages are identified by (1) location of the oocyte in the ovary wall, (2) oocyte morphology and staining characteristics, (3) development of … small showcase cabinetWebDec 23, 2024 · Chthonerpeton indistinctum (Reinhardt & Lütken, 1862) Lectotype: ZMUC R-0235. [designated by Taylor (1968: 299)] Type locality: “Buenos Ayres”, Argentina. … small showcases for small figuresWebJun 12, 2024 · imported from iDigBio. uuid:78d42323-3d50-466f-8f19-7a3de538fb4e Occurrence ID:urn:catalog:cas:herp:85521 hightese postmate delivery feesWebJan 14, 2008 · In addition to its status as the largest lungless tetrapod known, and the only known lungless caecilian, this species has a suite of highly unusual morphological features that sets it apart from all other tetrapods, including sealed choanae (internal nostrils), complete loss of pulmonary arteries and veins, novel cranial architecture, and a novel … hightest rated indoor air filterWebIn addition to the C cells, the ultimobranchial gland of the apodan Chthonerpeton indistinctum contains cholinergic and purinergic neuronal endings. Although the presence of sympathetic neurons has been demonstrated in the frog R. pipiens, most anurans investigated do not exhibit innervation of the ultimobranchial glands. The condition of the ... small showcasesWebIn Chthonerpeton indistinctum, sper-matogonia are the largest cells of the germinal line. They were found in the locular lumen, most frequently against the locular wall, … hightex 2023WebABSTRACT.-Chthonerpeton indistinctum is nontropical, and reports suggest a distinct breeding season, allowing the potential for estimation of reproductive success. A … small shower and toilet design