IMAGE: This image shows a general view of the ringed caecilian, Siphonops annulatus. They are distinguished by the following combination of characters: oviparity, imperforate stapes and lack of inner mandibular teeth. Siphonops annulatus. Siphonops annulatus, known as the Ringed Caecilian, is native to tropical South America distributed through northern Colombia to northern Paraguay . Description. Though caecilians are only distantly related to their reptilian cousins, researchers in a study appearing July 3 in the journal iScience describe specialized […] Taxonavigation ... Name . marmoratus Sawaya, 1937. Siphonops annulatus is a subterranean species that inhabits damp soils, it has, however, been known to be tolerant of drier conditions such as those found in Caatinga savannah [13,14]. Gymnophiona, also called Apoda, one of the three major extant orders of the class Amphibia.Its members are known as caecilians, a name derived from the Latin word caecus, meaning “sightless” or “blind.”The majority of this group of limbless, wormlike amphibians live underground in humid tropical regions throughout the world. Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students.ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Siphonops Wagler, 1828 Type species: Caecilia annulata Mikan, 1820 References . Siphonops annulatus Name Synonyms Caecilia annulata Mikan, 1820 Homonyms Siphonops annulatus (Mikan, 1820) Common names Ilulo amazónico in Spanish Interrupted ringed caecilia in English Ringed caecilia in English Bibliographic References (2004) database, Amphibian Species of … Caeciliidae is the family of common caecilians.They are found in Central and South America. In particular, their skulls have few bones. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. Ringed caecilian measures 286–450 mm (11.3–17.7 in) in total length. Caecilians are limbless amphibians that, to the untrained eye, can be easily mistaken for snakes. Photo by Andrés Acosta (Click for family gallery) Siphonopids, small to medium sized (112 mm to 120 mm total length) caecilians, burrow in moist humid tropical forest floors of South America. Caeciliidae is the family of common caecilians.They are found in Central and South America, equatorial Africa and India. Like other caecilians, they superficially resemble worms or snakes.. view more Credit: Carlos Jared Caecilians are limbless amphibians that, to the untrained eye, can be easily mistaken for snakes. A close-up view of the mouth of a ringed caecilian, Siphonops annulatus, reveals snake-like dental glands. Amphibian Species of the World 5.2 Siphonops access date 13 August 2008; Vernacular names . Wagler, 1828, Isis von Oken, 21: 742. Although they are the most diverse of the caecilian families, the caeciliids do have a number of features in common that make them different from other caecilians. In S. annulatus (Figure 1A) two tooth rows are present in the upper jaw (Figure 1B) with the lower jaw having only a single row (Figure 1C). Binomial name; Siphonops annulatus (Mikan, 1820) Synonyms; Caecilia interrupta Cuvier, 1829 Dermophis crassus Cope, 1885 Siphonops annulatus ssp. Although they are the most diverse of the caecilian families, the caeciliids do have a number of features in common … Siphonops annulatus. Like other caecilians, they look like worms or snakes..