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Physella acuta is a relatively common freshwater aquarium pest. It usually spreads by laying its eggs on plants which are then bought and taken home. Physella acuta can be annoying and reproduce quickly compared to other snails. It is generally non-harmful to the aquarium, but often found to be unsightly as well as adding to the aquarium's ...
According to ITIS and WoRMS, this family is classified into 4 genera, although the 4 genera from each database has a little bit difference.The classification from the taxonomy by Bouchet & Rocroi (2005), [3] which is based on classification by Taylor (2003): [7] Taylor classifies Physidae according to the anatomical differences of their penis, the differences among the penial complex, penial ...
Rivicola Fitzinger, 1833 (Invalid: junior objective synonym of Physa, with the same type species) Physa is a genus of small, left-handed or sinistral, air-breathing freshwater snails , aquatic pulmonate gastropod molluscs in the subfamily Physinae of the family Physidae .
Physella is a genus of small, left-handed or sinistral, air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Physidae. These snails eat algae , diatoms and other detritus .
Three goals of plant taxonomy are the identification, classification and description of plants. The distinction between these three goals is important and often overlooked. Plant identification is a determination of the identity of an unknown plant by comparison with previously collected specimens or with the aid of books or identification ...
A pioneering system of plant taxonomy, Linnaeus's Systema Naturae, Leiden, 1735. This list of systems of plant taxonomy presents "taxonomic systems" used in plant classification. A taxonomic system is a coherent whole of taxonomic judgments on circumscription and placement of the considered taxa. It is only a "system" if it is applied to a ...
The Utah physa, scientific name Physella utahensis, is a species of freshwater snail, an aquatic gastropod mollusk in the family Physidae. [ 1 ] [ 2 ] The common name refers to the state of Utah . This species is endemic to the United States and is known from Utah, Colorado , and Wyoming .
Evolution of angiosperms shown in diagram format, per APG IV. The APG IV system of flowering plant classification is the fourth version of a modern, mostly molecular-based, system of plant taxonomy for flowering plants (angiosperms) being developed by the Angiosperm Phylogeny Group (APG).