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Platyhelminthes (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm") [4] is a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates commonly called flatworms or flat worms.
California red-legged frog Rana draytonii: 2014 [2] Animal: California grizzly bear Ursus arctos californicus: 1958 Bat: Pallid bat. Antrozous pallidus. 2024 [3] Bird: California quail Callipepla californica: 1931 [4] Colors: Blue and gold Blue represents the sky, and gold represents the color of the precious metal found by forty-niners in the ...
The Turbellaria are one of the traditional sub-divisions of the phylum Platyhelminthes (flatworms), and include all the sub-groups that are not exclusively parasitic.There are about 4,500 species, which range from 1 mm (0.039 in) to large freshwater forms more than 500 mm (20 in) long [3] or terrestrial species like Bipalium kewense which can reach 600 mm (24 in) in length.
Unidentified planarian. Planarians (triclads) are free-living flatworms of the class Turbellaria, [2] [3] order Tricladida, [4] which includes hundreds of species, found in freshwater, marine, and terrestrial habitats. [5]
From scientific name of an animal: This is a redirect from a scientific name of an animal (or group of animals) to a vernacular ("common") name. When appropriate, protection levels are automatically sensed, described and categorized.
According to the book Flags Over California, published by the California Military Department, the star on the flag recalled the 1836 California Lone Star Flag. Todd, in an 1878 letter to the Los Angeles Express, states that the star was drawn using blackberry juice and in recognition of the California Lone Star Flag. The bear was designed to be ...
The etymology of the order name Polycladida corresponds to the two ancient Greek words πολύς (polús), meaning "numerous", and κλάδος (kládos), meaning "branch". [3] [4] It refers to the ramified shape of the intestine in these flatworms. [5] Most polyclads hide away from direct light.
The following is a list of tautonyms: zoological names of species consisting of two identical words (the generic name and the specific name have the same spelling). Such names are allowed in zoology, but not in botany, where the two parts of the name of a species must differ (though differences as small as one letter are permitted, as in cumin, Cuminum cyminum).