An organism exhibiting paedomorphism.

Of, relating to, or concerned with paedomorphism.

Phylogenetic state in which juvenile or larval characters are retained in and throughout the adult stage. May arise via neoteny or progenesis.

A male and a female organism of the same species. Also see breeding pair.

The pectoral and pelvic/ventral fins, both of which occur in pairs and are analogous to the fore and hind limbs in higher animals.

Of, relating to, or being a biogeographic region or subregion covering Europe, coastal northwest Africa, and Asia north of the Himalaya Mountains.

One who studies fish fossils.

Primarily used in reference to the roof of the mouth but associated bones, including the maxilla and premaxilla, are often included.

In morphology, a paired lateral bone above the mouth lying between the vomer and maxillary; the presence or absence of teeth on the palatine is a defining character in the classification of some fishes. Also known as autopalatine.

Teeth located on the palatine.

Study of the geography of ancient times or epochs, often in relation to geological events.

Also known as the ‘Palakkad Gap’, a low mountain pass representing the major break in the Western Ghats mountain range. The Nilgiri Hills rise to around 1100 m AMSL north of the gap and the Anaimalai Hills approximately 2000 m AMSL to the south, with average elevation within the gap 144 m AMSL. The gap […]

Having a shape similar to that of a human hand with fingers extended; having webbed digits as in many water birds.

Type of vivarium with both aquatic and terrestrial areas.

Small, nipplelike projection of tissue. See genital papilla.

Plural of papilla.

Having or resembling papillae.

Of, relating to, or resembling a papilla.

Most ventrally-located of the hypural elements.

In zoological nomenclature, any remaining member of a former syntype series following designation of a lectotype.