Quadrula is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae native to rivers of the American Midwest and mid-south. All have thick nacreous shells with well-developed hinge teeth, many also with external shell sculpturing of nodules or lumps.
Rotundaria couchiana, the Rio Grande monkeyface, is a species of freshwater mussel. It is native to Chihuahua, Mexico and New Mexico and Texas in the United States.
Rotundaria houstonensis, the smooth pimpleback, is a species of freshwater mussel native to the United States. It is endemic to the Colorado and Brazos River drainages in Texas.
Theliderma intermedia, the Cumberland monkeyface pearly mussel or Cumberland monkeyface, is a species of freshwater mussel in the family Unionidae, the river mussels. This aquatic bivalve mollusk is native to Tennessee and Virginia in the United States. Historically widespread in the upper Tennessee River system, it populations have been reduced by habitat destruction and pollution. It now only occurs in two tributaries: the Duck and Powell Rivers. It is a federally listed endangered species.
Quadrula quadrula, the mapleleaf, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Quadrula rumphiana, the ridged mapleleaf, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Hoffmannia is a genus of flowering plants in the family Rubiaceae. They are distributed in Mexico, Central America, and South America.
Rotundaria asperata, the Alabama orb, is a species of freshwater mussel, an aquatic bivalve mollusk.
Rotundaria aurea, the golden orb, is a species of freshwater mussel. It is native to the United States, where it is found only in Texas.
Margarites refulgens is a species of sea snail, a marine gastropod mollusk in the family Margaritidae, the turban snails.
Margarella refulgens is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
The sculptured pigtoe is a species of freshwater mussel native to the United States. It is endemic to the Apalachicola and Ochlockonee River systems in the states of Alabama, Florida, and Georgia.
Cyclonaias pustulosa, the pimpleback, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This species is native to North America, where it is widespread and common. It has possibly been extirpated from New York, however, and populations in Pennsylvania are critically imperiled, according to NatureServe.
Rotundaria succissa is a species of bivalve in the family Unionidae.
Rotundaria tuberculata, commonly called the purple wartyback, is a freshwater mussel, an aquatic bivalve mollusk.
Fusconaia mitchelli, the false spike, is a species of freshwater mussel, an aquatic bivalve mollusc in the family Unionidae, the river mussels.
Theliderma tuberosa, the rough rockshell, is a species of freshwater mussel. It is an aquatic bivalve mollusk in the family Unionidae, the river mussels. It has sometimes been treated as a variety or big-river ecotype of Theliderma metanevra, due to only having slight shell differences.
Afraflacilla refulgens is a species of jumping spider in the genus Afraflacilla that lives in Zimbabwe. It was first described in 2008. The species was initially placed in the genus Pseudicius but was transferred in 2017.
The shortjaw leatherjacket, also known as the slender leatherjacket, is a marine ray-finned fish from the family Carangidae which is native to the eastern Pacific, where it is found from Mexico to Ecuador. It is a pelagic species found close to shore, to depths of 30 metres (98 ft), which can withstand water of low salinity and which can enter estuaries temporarily. This species was formally described in 1904 by Charles Henry Gilbert & Edwin Chapin Starks from a type locality of Panama City market.
Parajotus refulgens is a jumping spider species in the genus Parajotus that lives in Botswana, Democratic Republic of the Congo, Nigeria and Zimbabwe. The species was first identified by Wanda Wesołowska in 2000.
