Delphinidae Gray 1821
Creators: name: Jo, Yeong-Seok
name: Baccus, John T.
name: Koprowski, John L.
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Cetacea
Delphinidae

description: Key to the genera of Delphinidae in Korea
1 Dorsal fin absent............................................................................. Lissodelphis
- Dorsal fin present..................................................................................... 2
2 Blunt head, no prominent beak........................................................................... 3
- Long head, beak present................................................................................ 8
3 Upper teeth absent; 3–7 lower teeth on each side of jaws (maybe absent or extensively worn); forehead with deep vertical crease........................................................................................ Grampus
- Upper and lower teeth present............................................................................ 4
4 Flipper broad, paddle-shaped, rounded tip; dorsal fin pointed, tall, erected; female 0.9 m in length, male 1.8 m in length; striking black and white coloration..................................................................... Orcinus
- Dorsal fin pointed, <0.8 m .............................................................................. 5
5 Dorsal fin with broad base, located on anterior 1/3 body; dorsal fin low and falcate; bulbous head; long sickle-shaped flippers.......................................................................................... Globicephala
- Dorsal fin located on central body........................................................................ 6
6 Elbow-shaped flipper; prominent hump; lips black................................................... Pseudorca
- Flipper slightly rounded; no hump; lips white............................................................... 7
7 Teeth <15 each side (8–10 upper jaw, 10–13 lower jaw).................................................. Feresa
- Teeth>15 each side (20–26 upper jaw, 22–25 lower jaw).......................................... Peponocephala
8 Beak smoothly joins forehead........................................................................ Steno
- Beak with sharp crease where joins forehead................................................................ 9
9 Dark lateral striped from face to anus........................................................... Lagenodelphis
- Lateral striped absent or not continued from face to anus..................................................... 10
10 Discrete, short beak <3% body length; large pale gray bifurcated patches from forehead to tail............ Lagenorhynchus
- Distinct beak>3% body length.......................................................................... 11
11 Teeth>39 each tooth row.............................................................................. 12
- Teeth 18–29 on each tooth row; sharp crease where beak joins forehead.................................... Tursiops
12 Hourglass pattern present on each side.............................................................. Delphinus
- Hourglass pattern on each side absent................................................................ Stenella
description: Published as part of Jo, Yeong-Seok, Baccus, John T. & Koprowski, John L., 2018, Mammals of Korea: a review of their taxonomy, distribution and conservation status, pp. 1-216 in Zootaxa 4522 (1) on page 137, DOI: 10.11646/zootaxa.4522.1.1, http://zenodo.org/record/2610198