Carl Gottfried Semper was a German ethnologist and animal ecologist. His brother Georg Semper took an interest in the lepidoptera while his brother Johannes Otto Semper (1830–1907) specialized in the molluscs.
Semper's warbler is an extremely rare or possibly extinct New World warbler which is endemic to Saint Lucia, part of the Lesser Antilles.
Hydrophis semperi, commonly known as the Lake Taal snake, Garman's sea snake, the Philippine freshwater sea snake, and the Luzon sea snake, is a rare species of venomous sea snake found only in a single lake on the island of Luzon in the Philippines. It is noted for being one of two known species of sea snakes that are known to be found almost-exclusively in freshwater. The other freshwater sea snake species is Laticauda crockeri.
The citrine white-eye, or Caroline Islands white-eye, is a species of bird in the family Zosteropidae. It is found in Palau and the Federated States of Micronesia.
Paludinella semperi is a species of minute salt marsh snail with an operculum, an aquatic gastropod mollusk or micromollusk in the family Assimineidae. This species is found in Marshall Islands and Palau.
Armina semperi is a species of sea slug, a nudibranch, a marine gastropod mollusk in the family Arminidae.
A placental disease is any disease, disorder, or pathology of the placenta.
Acromargarita semperi is a species of sea snail, a marine gastropod mollusc in the family Mitridae, the miters or miter snails.
Prosimnia semperi is a species of sea snail, a marine gastropod mollusk in the family Ovulidae, the ovulids, cowry allies or false cowries.
Atrophaneura semperi is a species of butterfly from the family Papilionidae that is found in Indonesia, Malaysia, and the Philippines. It is the type species for the genus.
Spilosoma semperi is a moth of the family Erebidae. It was described by Walter Rothschild in 1910. It is found on Sumatra and Peninsular Malaysia.
Eilema semperi is a moth of the subfamily Arctiinae. It is found in the Philippines (Luzon).
Aprophata is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species:
Aprophata eximia is a species of beetle in the family Cerambycidae. It was described by Newman in 1842, originally under the genus Abryna. It is known from the Philippines.
Aprophata nigrescens is a species of beetle in the family Cerambycidae. It was described by Stephan von Breuning in 1973. It is known from the Philippines.
Aprophata notha is a species of beetle in the family Cerambycidae. It was described by Newman in 1842, originally under the genus Abryna. It is known from the Philippines.
Aprophata ruficollis is a species of beetle in the family Cerambycidae. It was described by Heller in 1916. It is known from the Philippines.
Aprophata vigintiquatuormaculata is a species of beetle in the family Cerambycidae. It was described by Bernhard Schwarzer in 1931. It is known from the Philippines.
Semper's lipinia is a species of skink found in the Philippines.
Gonocephalus semperi, the Mindoro forest dragon, is a species of agamid lizard. It is found in the Philippines.
