Pelodytidae, also known as the parsley frogs, or rarely, mud divers, is a
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
of
frog
A frog is any member of a diverse and largely semiaquatic group of short-bodied, tailless amphibian vertebrates composing the order (biology), order Anura (coming from the Ancient Greek , literally 'without tail'). Frog species with rough ski ...
s. It contains a single extant genus, ''
Pelodytes'',
Caucasus
The Caucasus () or Caucasia (), is a region spanning Eastern Europe and Western Asia. It is situated between the Black Sea and the Caspian Sea, comprising parts of Southern Russia, Georgia, Armenia, and Azerbaijan. The Caucasus Mountains, i ...
.
Genera
* '' Pelodytes'' Bonaparte, 1838 – 5 species, southwestern Europe and the Caucasus[
* †'' Aerugoamnis'' Henrici, Baez & Grande, 2013 – 1 species, North America
* †'' Miopelodytes'' ]Taylor
Taylor, Taylors or Taylor's may refer to:
People
* Taylor (surname)
** List of people with surname Taylor
* Taylor (given name), including Tayla and Taylah
* Taylor sept, a branch of Scottish clan Cameron
* Justice Taylor (disambiguation)
...
, 1941 – 1 species, North America
* †'' Tephrodytes'' Henrici, 1994 – 1 species, North America
Evolutionary relationships
Most recent studies suggests that Pelodytidae belongs to a clade
In biology, a clade (), also known as a Monophyly, monophyletic group or natural group, is a group of organisms that is composed of a common ancestor and all of its descendants. Clades are the fundamental unit of cladistics, a modern approach t ...
containing three other families: Pelobatidae
The European spadefoot toads are a family of frogs, the Pelobatidae, with only one extant genus ''Pelobates'', containing six species. They are native to Europe, the Mediterranean, northwestern Africa, and western Asia.
Description
The Europe ...
, Scaphiopodidae, and Megophryidae
Megophryidae, commonly known as goose frogs, is a large family of frogs native to the warm southeast of Asia, from the Himalayan foothills eastwards, south to Indonesia and the Greater Sunda Islands in Maritime Southeast Asia, and extending to t ...
.sister taxon
In phylogenetics, a sister group or sister taxon, also called an adelphotaxon, comprises the closest relative(s) of another given unit in an evolutionary tree.
Definition
The expression is most easily illustrated by a cladogram:
Taxon A and ...
is the clade Pelobatidae+Megophryidae,[
]
Description
Modern pelodytids are moderately small frogs measuring in snout–vent length
Snout–vent length (SVL) is a morphometric measurement taken in herpetology from the tip of the snout to the most posterior opening of the cloacal slit (vent)."direct line distance from tip of snout to posterior margin of vent" It is the mos ...
. The eyes have rounded but vertically oriented pupil
The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina.Cassin, B. and Solomon, S. (1990) ''Dictionary of Eye Terminology''. Gainesville, Florida: Triad Publishing Company. It appears black becau ...
s. The finger and the toe tips are blunt to pointed. The tadpole
A tadpole or polliwog (also spelled pollywog) is the Larva, larval stage in the biological life cycle of an amphibian. Most tadpoles are fully Aquatic animal, aquatic, though some species of amphibians have tadpoles that are terrestrial animal, ...
s have keratin
Keratin () is one of a family of structural fibrous proteins also known as ''scleroproteins''. It is the key structural material making up Scale (anatomy), scales, hair, Nail (anatomy), nails, feathers, horn (anatomy), horns, claws, Hoof, hoove ...
ized mouthparts. The family is also characterized by a number of anatomical and sceletal features,
References
{{Taxonbar, from=Q3374519
Amphibian families
Extant Eocene first appearances
Taxa named by Charles Lucien Bonaparte