Caudal regression syndrome, or sacral agenesis (or hypoplasia of the sacrum), is a rare birth defect. It is a congenital disorder in which the fetal development...

population centers being located in the valley along the banks of the Caudal River (Río Caudal) valley in the center of Asturias. Before the Spanish Industrial...

located in a valley, flanked by mountains along the banks of the Caudal River (Rio Caudal) and Route 66 in the center of Asturias. Mieres has a hodgepodge...

seca el río Cauca: cómo la controversial represa redujo en 80% el caudal del segundo río de Colombia". BBC. Retrieved 2019-03-19. (in Spanish) Corporación...

than the original. For example, the famous lines "Nuestras vidas son los ríos/ que van a dar en la mar,/ que es el morir," which reads in Longfellow as...

in Río Negro Province, Argentina. The holotype specimen, MPCA Pv 816, consists of several partial dorsal vertebrae, a partial sacrum, twelve caudal vertebrae...

Colombia. It flows together with the upper Orinoco (until here also called Río Parágua), which it clearly surpasses in length (altogether about 1,760 km)...

body. Females tend to have tubercles on the caudal peduncle, where males tuberculate on the anal and caudal fins. Mouth morphology dictates feeding strategies...

three caudal vertebrae in approximate articulation. Additional bones representing an older individual (specimen FC-DPV 1900), including sixty caudal vertebrae...

Huánuco region, where it inhabits the Río Aquas, the Río Amarillae, a tributary of the Río Pachitea, and the Río Ucayali river system. The species was...

outcrops in the Mendoza, Río Negro and Neuquén Provinces of northern Patagonia, Argentina. It is the second formation in the Río Limay Subgroup, the oldest...

other fish by the presence of a small adipose fin between the dorsal and caudal fins. Many of these, such as the neon tetra (Paracheirodon innesi), are...

on the front (procoelous caudal vertebrae), while in Andesaurus, both ends of the vertebrae are flat (amphiplatyan caudals), as seen in many non-titanosaurian...

skull roof and partial neurocranium, partial dorsal vertebrae, fourteen caudal vertebrae with some haemal arches, a partial left scapula, right pubic peduncle...

locality of Salitral Moreno, 25 km south of the city of General Roca in Río Negro Province, Argentina. In 2000, Leonardo Salgado and Claudia Azpilicueta...

consists of nine fragmentary caudal vertebrae from the beginning and middle of the tail, deposited in the Federal University of Rio de Janeiro. An isolated...

Zamarin, Felipe (2023-01-28). "Río Maipo vuelve a desembocar en el mar tras construcción de zanja para encauzar caudal". Radio Bío-Bío. "Chile: Authorities...

vertebrae, a complete sacrum, 8 anterior caudal vertebrae, 9 medial caudal vertebrae, 2 blocks with 5 medial caudal vertebrae each, 18 haemal arches, 3 dorsal...

skiffia or tiro dorado, is a species of splitfin endemic to the Rio Teuchitlán, a tributary of Río Ameca in western Mexico. It is extinct in the wild, but has...

  3887767   •   STM   •   (Rio Guaque, Rio Guaqui, Rio Huaqui, Río Guaque, Río Guaqui, Río Huaqui) Rio RarincoRío Rarinco   •   37°23′34″S 72°30′14″W /...

lizard") is an extinct genus of saltasaurine titanosaur dinosaur from the Río Playas Formation of Ecuador, which dates to the Maastrichtian epoch of the...

distinguished from other gymnotiform fishes by the presence of a caudal fin (all other families lack a caudal fin) as well as a fleshy dorsal organ represented by...

Switzerland by H. Boutiere). Some specimens have a black stripe in the caudal peduncle extending forwards into the body, surmounted above by a thin iridescent...

pelvic fins, extending to the level of the middle spine of the anal fin. The caudal fin is forked. The adults are silvery to greenish-yellow with olive on the...

and rounded and extend beyond the caudal peduncle to create the impression of three symmetrical caudal fins. The caudal fin itself is rounded. Adults are...

that it was a fast runner. The most proximal elements of Alvarezsaurus caudal vertebrae exhibited ventrally sharp centra and the transverse processes...

and 15–16 soft rays while the anal fin has 3 spines and 8 soft rays. The caudal fin is rounded. The head and body are grey or greenish in colour marked...

the transverse processes in anterior and middle caudal vertebrae, transverse processes of anterior caudal vertebrae that is distally expanded and projected...

Formation is a geologic formation with outcrops in the Argentine provinces of Río Negro, Neuquén, and Mendoza. It is the second oldest Cretaceous terrestrial...

small species of freshwater fish in the family Characidae native to the Río Cauca in Colombia. It is the only member of the monotypic genus Carlastyanax...