(teleostomi)
51Taxonomía de los mamíferos — Contenido 1 Los mamíferos en el árbol de la vida 2 Clasificación de los mamíferos 2.1 Clasificación de Simpson (1945) …
52Vertebrata —   Vertebrados Rango temporal: Cámbrico Reciente …
53Челюстноротые — Челюстноротые …
54abdominal pore — an external aperture near the vent communicating with the abdominal cavity. Found in Cyclostomata, Elasmobranchii, and in some Teleostomi, e.g. Salmonidae …
55achondral bone — dermal bone (any of the superficial bones in Teleostomi derived from the dermis and overlying the deeper elements of the skull. Primitive fishes have more dermal bones than higher ones, e.g. the armour of Ostracodermi. Dermal bones are a form of… …
56actinotrich — a slender, horny, flexible, unsegmented fibril which strengthens the embryonic fin fold and which may persist in the outer edge of the adult fin membrane or in the adipose fin. It develops intercellularly rather than cellularly. Persists in fins… …
57amphicoelous — biconcave vertebrae, having both ends hollowed out, the condition in Elasmobranchii, Amia and most Teleostomi except Lepisosteus (also spelled amphicelous) …
58anguloarticular — articular (the deep, endochondral bone of primitive acanthopterygians in the middle of the lower jaw between the dentary and the angular (or retroarticular) which articulates with the quadrate. It is later invaded by the angular. Divided into the …
59angulosplenial — articular (the deep, endochondral bone of primitive acanthopterygians in the middle of the lower jaw between the dentary and the angular (or retroarticular) which articulates with the quadrate. It is later invaded by the angular. Divided into the …
60articular — the deep, endochondral bone of primitive acanthopterygians in the middle of the lower jaw between the dentary and the angular (or retroarticular) which articulates with the quadrate. It is later invaded by the angular. Divided into the distal… …
