| Megasurcula yokoyamai | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Superfamily: | Conoidea |
| Family: | Pseudomelatomidae |
| Genus: | Megasurcula |
| Species: | †M. yokoyamai |
| Binomial name | |
| †Megasurcula yokoyamai (Otuka, 1934) | |
| Synonyms | |
†Surculites yokoyamaiOtuka, 1934 | |
Megasurcula yokoyamai is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies. [1]
Fossils of this marine species have been found in Middle Miocene strata in Japan.
Pseudorca is a genus of cetaceans with three members which include Pseudorca yokoyamai, Pseudorca yuanliensis and Pseudorca crassidens, of which P. crassidens is the only extant member.
Comitas is a genus of medium-sized sea snails, marine gastropod molluscs in the family Pseudomelatomidae.
Bathytoma is a genus of deep-water sea snails, marine gastropod mollusks in the family Borsoniidae.
Lunatia is a genus of predatory sea snails, marine gastropod mollusks in the family Naticidae, the moon snails.
Meiji Maru (明治丸) is a Japanese sailing ship that serves as a museum ship in Tokyo. It is displayed at the Etchujima Campus of the Tokyo University of Marine Science and Technology.
Kelletia lischkei is a species of large sea snail, or whelk, a marine gastropod mollusc in the family Buccinidae, the true whelks.
Madoka Sasaki was a Japanese zoologist, who is known for his work on the cephalopods of Japan, as well as other groups such as salamanders. Sasaki was Professor of Zoology in the Fishery Department of the College of Agriculture at Tohoku Imperial University, Sapporo, Japan. Sasaki died in 1927 and his major work A monograph of the dibranchiate cephalopods of the Japanese and adjacent waters was published posthumously in 1929, and was based largely on his studies of the cephalopod collections of the Zoology Department of the "Tokyo University Museum", many of which he collected himself. The species Sebastodes sasakii, Octopus sasakii and Sepia sasakii are among the taxa that bear names that honour Sasaki.
Orcinus paleorca is a fossil species of Orcinus, the genus of killer whales (orca), dated to the Middle Pleistocene. The only known specimen is a tooth fragment discovered in Honshu, Japan.
Comitas yokoyamai is an extinct species of sea snail, a marine gastropod mollusc in the family Pseudomelatomidae.
Pseudorca yokoyamai is an extinct species of oceanic dolphin from the Calabrian stage of the Pleistocene of Japan, an extinct relative of the modern day false killer whale.
Megasurcula stearnsiana is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Megasurcula condonana is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Megasurcula remondii is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Megasurcula cryptoconoides is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Megasurcula kurodai is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Megasurcula osawanoensis is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Megasurcula siogamensis is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Megasurcula rara is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Megasurcula elongata is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Megasurcula guayasensis is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
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