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Sphaerius is a genus of beetles, comprising 23 species, which are the only living members of the family Sphaeriusidae. They are typically found along the edges of streams and rivers, where they feed on algae; they occur on all continents except Antarctica. Three species occur in the United States.
Sphaerocarpaceae is a family of liverworts known as bottle liverworts. Approximately ten species are included in this family, most of them in the genus Sphaerocarpos, but one additional species in the genus Geothallus.
Nuttallanthus is a genus of four species of herbaceous annuals and perennials that was traditionally placed in the foxglove family Scrophulariaceae. Due to new genetic research, it has now been placed in the vastly expanded family Plantaginaceae. Three species of Nuttallanthus are native to North America and one to South America. Nuttallanthus was until the 1980s included in a wider circumscription of the genus Linaria, a genus now considered restricted to the Old World.
Scapanorhynchus is an extinct genus of shark that lived from the early Cretaceous until possibly the Miocene if S. subulatus is a mitsukurinid and not a sand shark. Their extreme similarities to the living goblin shark, Mitsukurina owstoni, lead some experts to consider reclassifying it as Scapanorhynchus owstoni. However, most shark specialists regard the goblin shark to be distinct enough from its prehistoric relatives to merit placement in its own genus.
Zygoballus is a genus of jumping spiders found in North and South America.
The spider genus Sosippus is, with other genera in the subfamily Hippasinae, unique among the spiders in the family Lycosidae in producing a large funnel-web resembling that of the Agelenidae. The posterior spinnerets are more elongate than in other wolf spiders.
Sphaerocarpos texanus, the Texas balloonwort, is a species of liverwort in the Sphaerocarpaceae family, found in the Americas, northern Africa and Europe.
Mastogenius is a genus of beetles in the family Buprestidae, containing the following species:
Dyspanopeus sayi is a species of mud crab that is native to the Atlantic coast of North America. It has also become established outside its native range, living in Swansea Docks since 1960, the Mediterranean Sea since the 1970s, the North Sea since 2007 and the Black Sea since 2010. It can reach a carapace width of 20 mm (0.8 in), and has black tips to its unequal claws. It feeds on bivalves and barnacles, and is in turn eaten by predators including the Atlantic blue crab, Callinectes sapidus. Eggs are produced from spring to autumn, the offspring reach sexual maturity the following summer, and individuals can live for up to two years. The closest relative of D. sayi is D. texanus, which lives in the Gulf of Mexico; the two species differ in subtle features of the genitalia and the last pair of walking legs.
Heterachthes is a genus of beetles in the family Cerambycidae, containing the following species:
Dinocheirus is a genus of pseudoscorpions in the family Chernetidae.
Gnathodus is an extinct conodont genus in the family Idiognathodontidae.
Cleonymus is a genus of wasps in the family Pteromalidae.
Scleropogon is a genus of robber flies. There are about 17 described species in Scleropogon.
Vanhornia is a genus of parasitic wasp. It is the only genus in the family Vanhorniidae within the Proctotrupoidea. Of the four known species, V. eucnemidarum (type) is widespread across North America, V. leileri is widespread across the Palearctic, V. quizhouensis is found in South China and Thailand, and V. yurii is found in Northeast Asia. Members of Vanhornia are parasitoids on beetles belonging to the family Eucnemidae.
Phidippus texanus is a species of jumping spider in the family Salticidae. It is found in the United States and Mexico.
Rhynchanthrax is a genus of bee flies. There are about seven described species in Rhynchanthrax.
Diogmites texanus is a species of robber flies in the family Asilidae.
Dirhinus is a genus of parasitic wasps in the family Chalcididae. The genus has a worldwide distribution.
References
- ↑ Crawford, J.C. (1909). "NEW CHALCIDOIDEA [Hymenoptera]". Proceedings of the Entomological Society of Washington. 11: 51–52.