ANIMALS – MOLLUSCS – SNAILS – DUARTI AMERICOMINELLA (AMERICOMINELLA DUARTI)

Animals - Molluscs - Snails

Duarti Americominella (Americominella duarti)

Scientific Classification:

Kingdom : Animalia
Phylum : Mollusca
Class : Gastropoda
Order : Neogastropoda
Family : Buccinoidae
Genus : Americominella
Species : A. Duarti

Description:

The Duarti Americominella (Americominella duarti) is a sea snails, marine gastropod mollusks in the family Buccinidae.

It is a deep water species (below 200m in Rio de la Plata), endemic to the Southwest Atlantic and associated with cold water (sub-Antarctic). It stands for the development of a thick organic layer of protective shell that in this species forms a thorn-like structure.

This Species is dedicated to Don Eliseo Duarte (1896-1987), an active promoter of the Malacological Society of Uruguay and contributor to the National Museum of Natural History in Montevideo.

Binomial Name:

Name : Americominella duarti
Taxonomist : Miguel Angel Klappenbach Childe (Dolores - Uruguay) & Elias Humberto Ureta Aramendi (Aiguá - Uruguay)
Year : 1972
Subspecies : None, or not data available
Synonyms : None, or not data available

Conservation Status by IUCN:

Status : Not Evaluated, or not data available

Philatelic Issues

2007 – Uruguay – Stamp 2 of 4, from Molluscs Series

Issue information:

Country: Uruguay
Date: June 26th, 2009
Printed: 15.000 Copies
Type: Stamp from Series of 4 Stamps
Value: UYP 10

Stamp: Rectangular
Size: 39 mm. x 27 mm.
Perforation: Circular
Gum: Water Activated

ANIMALS - AMPHIBIANS - FROGS - SAN MARTIN REDBELLY TOAD (MELANOPHRYNISCUS SANMARTINI)

Animals - Amphibians - Frogs

San Martin Redbelly Toad (Melanophryniscus sanmartini)

Scientific Classification:

Kingdom : Animalia
Phylum : Chordata
Class : Amphibia
Order : Anura
Family : Bufonidae
Genus : Melanophryniscus
Species : M. Sanmartini

Description:

The San Martin redbelly toad (Melanophryniscus sanmartini) is a species of toad in the family Bufonidae. It is found in Uruguay and southernmost Brazil (Rio Grande do Sul). Its natural habitats are grasslands and rocky outcrops. Reproduction takes place in small streams. It is threatened by habitat loss caused by exotic tree plantations.

Known only from three localities in Uruguay the type locality (Departamento Lavalleja), the Cerro de Animas (Departamento de Maldonado) and Departamento de Rivera, Uruguay; also reported from Pedras Altas and Pinheiro Machado, in Rio Grande do Sul, Brazil.

Female: 23-26 mm, Male: 19-22 mm. Dorsum dark brown (generally with light brown blotches). Belly and chest black with ocher blotches and a conspicuous reddish orange band under the thighs. Throat and gular region uniformly black, with a light spot on the chin.

These toads are explosive breeders (after heavy rains), and reproductive activity takes place between April to November.

Binomial Name:

Name : Melanophryniscus sanmartini
Taxonomist : Miguel Angel Klappenbach (Dolores - Uruguay)
Year : 1968
Subspecies : None, or not data available
Synonyms : None, or not data available

Conservation Status by IUCN:

Status : Near-threatened species

A Near-threatened species is a species which has been categorized as "Near Threatened" (NT) by the International Union for Conservation of Nature as that may be considered threatened with extinction in the near future, although it does not currently qualify for the threatened status. The IUCN notes the importance of re-evaluating near-threatened taxa at appropriate intervals.

Philatelic Issues

2014 – Uruguay - Stamp 1 of 2, from Tourist Sites:Lavalleja Series

Issue information:

Country: Uruguay
Date: November 5th, 2014
Printed: 15.000 Copies
Type: Stamp from Series of 2 Stamps
Value: UYP 15

Stamp: Rectangular
Size: 27 mm. x 39 mm.
Perforation: Circular
Gum: Water Activated