| Pseudostomum | |
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| Pseudostomum quadrioculatum | |
| Scientific classification | |
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| Phylum: | |
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| Genus: | Pseudostomum Schmidt, 1848 |
| Species | |
See text. | |
| Synonyms | |
Rusalka Uljanin, 1870 | |
Pseudostomum is a genus of flatworms in the family Pseudostomidae.
The following species are recognised: [1]
The Valvatida are an order of starfish in the class Asteroidea, which contains 695 species in 172 genera in 17 families.
Taoniinae is a subfamily containing ten genera of glass squids.
Heterodonta is a taxonomic subclass of saltwater clams, marine bivalve molluscs. This subclass includes the edible clams, the cockles and the Venus clams.
Tegula is a genus of small to medium-sized sea snails, marine gastropod molluscs in the family Tegulidae.
Acoela, or the acoels, is an order of small and simple invertebrates in the subphylum Acoelomorpha of phylum Xenacoelomorpha, a deep branching bilaterian group of animals, which resemble flatworms. Historically they were treated as an order of turbellarian flatworms.
The Trochidae, common name top-snails or top-shells, are a taxonomic family of very small to large sea snails, marine gastropod molluscs in the clade Vetigastropoda.
Triviidae is a taxonomic family of small sea snails, marine gastropod molluscs in the superfamily Cypraeoidea of the order Littorinimorpha.
Carcharias is a genus of sand tiger sharks belonging to the family Odontaspididae.
Rock oysters are true oysters of the genus Saccostrea. The best-known species is the Sydney rock oyster.
Corallimorpharia is an order of marine cnidarians closely related to stony or reef building corals (Scleractinia). They occur in both temperate and tropical climates, although they are mostly tropical. Temperate forms tend to be very robust, with wide and long columns, whereas tropical forms tend to have very short columns with a wide oral disc and very short tentacles. The tentacles are usually arranged in rows radiating from the mouth. Many species occur together in large groups, although there are recorded instances of individuals. In many respects, they resemble the stony corals, except for the absence of a stony skeleton. Morphological and molecular evidence suggests that they are very closely related to stony corals.
Lottiidae is a family of sea snails, specifically true limpets, marine gastropod mollusks in the superfamily Lottioidea and the clade Patellogastropoda.
The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms.
Proporidae is a family of acoels.
Corallimorphidae is a family of corallimorphs. It includes three genera:
Corallimorphus niwa is a species of corals in the genus Corallimorphus. It was classified by Fautin in 2011. Corallimorphus niwa lives in marine habitats.
Pseudostomum klostermanni is a species of flatworms in the family Pseudostomidae. It is a marine species found in the Black and Mediterranean Seas and in the European waters of the North Atlantic Ocean.
Synallactida is a rankless clade of sea cucumbers, but is referred to as an order. Taxa within Synallactida were previously classified in an order called Aspidochirotida, which was determined to be polyphyletic in 2017.
Otomesostoma auditivum is a free-living, hermaphroditic flatworm in the order Proseriata, found in brackish and freshwater environments. It is a palearctic species living in shallow-water coastal habitats, and occurring in some freshwater lakes far from the sea.
Proporus carolinensis is a species of acoel in the family Proporidae. It grows to a maximum length of 0.1 cm. It lives in the western-central Atlantic, in sea sand, inlet areas, and subtidal areas.
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