| Pheidole acutidens | |
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| Species: | P. acutidens |
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| Pheidole acutidens (Santschi, 1922) | |
Pheidole acutidens is a species of ant in the genus Pheidole . It is endemic to Argentina. [1]
Pheidole is a genus of ants that belongs to the ant subfamily Myrmicinae. The genus is widespread and ecologically dominant. It probably includes more than a thousand species. The genus first evolved in the Americas, eventually spreading across the globe.
The sicklefin lemon shark or sharptooth lemon shark, is a species of requiem shark belonging to the family Carcharhinidae, widely distributed in the tropical waters of the Indo-Pacific. It is closely related to the better-known lemon shark of the Americas; the two species are almost identical in appearance, both being stout-bodied sharks with broad heads, two dorsal fins of nearly equal size, and a plain yellow-tinged coloration. As its common name suggests, the sicklefin lemon shark differs from its American counterpart in having more falcate (sickle-shaped) fins. This large species grows up to 3.8 m (12 ft) long. It generally inhabits water less than 92 m (302 ft) deep in a variety of habitats, from mangrove estuaries to coral reefs.
Negaprion is a genus of requiem sharks in the family Carcharhinidae. It contains the two extant species of lemon sharks: the lemon shark of the Americas, and the sicklefin lemon shark of the Indo-Pacific. Both species are large, slow-moving, bulky sharks inhabiting shallow coastal waters, and can be identified by their short, blunt snouts, two dorsal fins of nearly equal size, and uniform yellowish brown or gray coloration.
Carcharias is a genus of sand tiger sharks belonging to the family Odontaspididae.
Pheidole elecebra is a species of ant in the genus Pheidole. It is endemic to the United States.
Pheidole inquilina is a species of ant in the genus Pheidole. It is endemic to the United States.
Pheidole oculata is a species of ant in the subfamily Myrmicinae. It is endemic to Madagascar.
Pheidole parasitica is a species of ant in the genus Pheidole. It is endemic to India.
Pheidole rugithorax is a species of ant in the genus Pheidole. It was discovered and described by Eguchi, K. in 2008.
Pheidole purpurea is a dimorphic species of ant found in Mexico and Central America. The species shows considerable variance in physical characteristics based on location, though some variance exists even within small populations. Some populations display a metallic, purple sheen.
Pheidole megacephala is a species of ant in the family Formicidae. It is commonly known as the big-headed ant in the USA and the coastal brown ant in Australia. It is a very successful invasive species and is considered a danger to native ants in Australia and other places. It has been nominated as one of the hundred "World's worst" invaders.
Odostomia acutidens, common name the sharp-tooth odostome, is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Pheidole decepticon is a species of ant in the subfamily Myrmicinae.
Pheidole pallidula is a species of ant in the genus Pheidole. It is widespread around the Mediterranean.
Pheidole latinoda is a species of ant in the subfamily Myrmicinae. It is found in India and Sri Lanka.
Pheidole spathifera is a species of ant in the subfamily Myrmicinae. It is found in Asian countries.
Pheidole sulcaticeps is a species of ant in the subfamily Myrmicinae.
Orcinus meyeri is a contentious fossil species of killer whale found in the Early Miocene deposits of southern Germany, known from two jaw fragments and 18 isolated teeth. It was originally described as Delphinus acutidens in 1859, but reclassified in 1873. Its validity is disputed, and it may be a synonymous with the ancient sperm whale Physeterula dubusi. It was found in the Alpine town of Stockach in the Molasse basin, which was a coastal area with strong tidal currents.
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