Takasi Tokioka
Encyclopedia
was a Japanese zoologist. He published over 200 scientific articles on marine animals such as chaetognaths
, ctenophore
s, and tunicate
s. He was Professor of Zoology
at Kyoto University
working at the Seto Marine Biological Laboratory
in Shirahama, Japan
. From 1975-1977, he was the Director of SMBL.
Chaetognatha
Chaetognatha, meaning hair-jaws, and commonly known as arrow worms, are a phylum of predatory marine worms that are a major component of plankton worldwide. About 20% of the known species are benthic, that is belonging to the lowest zone of the ocean, or benthic zone, and can attach to algae and...
, ctenophore
Ctenophore
The Ctenophora are a phylum of animals that live in marine waters worldwide. Their most distinctive feature is the "combs", groups of cilia that they use for swimming, and they are the largest animals that swim by means of cilia – adults of various species range from a few millimeters to in size...
s, and tunicate
Tunicate
Tunicates, also known as urochordates, are members of the subphylum Tunicata, previously known as Urochordata, a group of underwater saclike filter feeders with incurrent and excurrent siphons that is classified within the phylum Chordata. While most tunicates live on the ocean floor, others such...
s. He was Professor of Zoology
Zoology
Zoology |zoölogy]]), is the branch of biology that relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct...
at Kyoto University
Kyoto University
, or is a national university located in Kyoto, Japan. It is the second oldest Japanese university, and formerly one of Japan's Imperial Universities.- History :...
working at the Seto Marine Biological Laboratory
Seto Marine Biological Laboratory
The Seto Marine Biological Laboratory , is a marine biology field station of Kyoto University. It is located in the small town of Shirahama in Wakayama Prefecture about 230 km from Kyoto. Established in 1922, research at the lab has historically been focused on marine invertebrates...
in Shirahama, Japan
Shirahama, Wakayama
is a town located in Nishimuro District, Wakayama, Japan.On March 1, 2006 the town of Hikigawa, from Nishimuro District, was merged into Shirahama....
. From 1975-1977, he was the Director of SMBL.
Eponymous species
At least a dozen species are named in his honor, including these below.- Acartia tokiokai Mori, 1942 - Copepoda
- Atlanta tokiokai van der Spoel & Troost, 1972 - HeteropodaHeteropodaThe Heteropoda are a pantropical genus of spiders. There are hundreds of member species.-Species:Heteropoda acuta - Davies, 1994HHeteropoda amphora - Fox, 1936 Heteropoda dagmarae - Jäger & Vedel, 2005...
- Bolivina tokiokai Uchio, 1962 - Formanifera
- Eudistoma tokiokai Nishikawa, 1990 - AscidiaceaAscidiaceaAscidiacea is a class in the Tunicata subphylum of sac-like marine invertebrate filter feeders. Ascidians are characterized by a tough outer "tunic" made of the polysaccharide tunicin, as compared to other tunicates which are less rigid.Ascidians are found all over the world, usually in shallow...
- Euchromadora tokiokai Wieser, 1955 - Nematoda
- Krohnittella tokiokai Bieri, 1974 - ChaetognathaChaetognathaChaetognatha, meaning hair-jaws, and commonly known as arrow worms, are a phylum of predatory marine worms that are a major component of plankton worldwide. About 20% of the known species are benthic, that is belonging to the lowest zone of the ocean, or benthic zone, and can attach to algae and...
- Ophiocentrus tokiokai Irimura, 1981 - Ophiuroidea
- Polycarpa tokiokai Monniot & Monniot, 1996 - AscidiaceaAscidiaceaAscidiacea is a class in the Tunicata subphylum of sac-like marine invertebrate filter feeders. Ascidians are characterized by a tough outer "tunic" made of the polysaccharide tunicin, as compared to other tunicates which are less rigid.Ascidians are found all over the world, usually in shallow...
- Styela tokiokai Nishikawa, 1991 - AscidiaceaAscidiaceaAscidiacea is a class in the Tunicata subphylum of sac-like marine invertebrate filter feeders. Ascidians are characterized by a tough outer "tunic" made of the polysaccharide tunicin, as compared to other tunicates which are less rigid.Ascidians are found all over the world, usually in shallow...