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Additionally, cichlids from the eastern Anosy Region in far southeastern Madagascar may actually represent two undescribed species, popularly known as Ptychochromis sp.
Reports from Tsingy de Bemaraha Strict Nature Reserve are uncertain: they may be of F. willsii, F. petteri, or a similar, undescribed species.
The as yet undescribed species in this family expand the range to the coast of Ceará State and caves in the dry central part of Minas Gerais, where the cave-dwelling species could represent an example of relictual distribution.
In 2000, three previously undescribed species of shrub were collected on the station, and subsequently published as Banksia rosserae, Grevillea squiresae and Grevillea kirkalocka.
A second, as yet undescribed species is from the Fuller's Earth formation Lagerstatten in the Barmer District, of Ypresian Rajasthan, India.
Several species of passion flower are infected by several species of Septoria, and a fungus, which has been going by the name Septoria passiflorae but which is probably an undescribed species, has been used to control the invasive Passiflora tarminiana in Hawai'i.
Animals that may have shared the same habitat with Tsaagan include Protoceratops, Shuvuuia, the small mammal Zalambdalestes, the multituberculate mammal Kryptobaatar, as well as several lizards and two yet-undescribed species of troodontid and dromaeosaurid.
The Ulanga Valley is also home to a number of species only found in the Valley, such as the Udzungwa colobus monkey and three species of birds, the Ulanga weaver, two undescribed species of cisticolas.