Aegilops crassa is an ornamental plant in the family Poaceae. It is referred to by the common name Persian goatgrass. It is native to Afghanistan, Iran, Iraq, Kazakhstan, Kyrgyzstan, Lebanon, Palestine, Syria, Tajikistan, Transcaucasia, Turkey, Turkmenistan, and Uzbekistan.
Sarcohyla crassa is a species of frog in the family Hylidae. It is endemic to the Sierra Madre de Oaxaca of Oaxaca, Mexico. It is also known as the aquatic treefrog, or when referring to the former Hyla bogertae, Bogert's aquatic treefrog.
Sphenophryne crassa is a species of frog in the family Microhylidae. It is endemic to eastern New Guinea and is known from the Mount Dayman and Mount Simpson in the Owen Stanley Range, Papua New Guinea. Common name Papua land frog has been proposed for it.
The fat toadlet is a species of frog in the family Myobatrachidae. It is endemic to Australia. Its natural habitats are subtropical or tropical dry lowland grassland and intermittent freshwater marshes.
The Tanimbar starling is a species of starling in the family Sturnidae. It is endemic to Indonesia.
The Badwater snail is a species of minute, salt marsh snail endemic to the Badwater Basin in Death Valley. It is found only at low elevations near spring sources, and only in regions with relatively low precipitation. It is capable of living completely submerged in the spring water.
Paludomus is a genus of tropical freshwater snails with an operculum, aquatic gastropod mollusks in thesubfamily Paludominae of the family Paludomidae.
Partula taeniata, common name the Moorean viviparous tree snail, is a species of terrestrial gastropod in the Partulidae family. It is endemic to French Polynesia.
Partulina crassa was a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Hawaii in the United States. This species is now extinct.
Streptostyla is a genus of predatory, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Streptostylinae of the family Spiraxidae.
Pleuroceridae, common name pleurocerids, is a family of small to medium-sized freshwater snails, aquatic gilled gastropod mollusks in the superfamily Cerithioidea.These snails have an operculum and typically a robust high-spired shell.
Athearnia anthonyi is a rare species of freshwater snail in the family Pleuroceridae. Its common name is Anthony's riversnail. It is native to three rivers in the Tennessee River system in the United States: the main branch and the Sequatchie River and Limestone Creek.
Bellamya is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Viviparidae.
Manzonia crassa is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Tabernaemontana crassa is a plant in the dogbane family Apocynaceae, native to tropical Africa.
Dianella is a little-known genus of small freshwater snails with a gill and an operculum, aquatic gastropod molluscs in the family Hydrobiidae.
