Domain: Eukaryota • Regnum: Animalia • Phylum: Chordata • Subphylum: Vertebrata • Infraphylum: Gnathostomata • Cladus: Osteichthyes • Superclassis: Tetrapoda • Cladus: Amniota • Classis: Mammalia • Subclassis: Theria • Infraclassis: Eutheria • Ordo: Cetacea • Subordo: Odontoceti • Familia: Delphinidae • Genus: Peponocephala • Species: Peponocephala electra (Gray, 1846)

Noms vernaculaires [modifier wikidata 'Dauphin d'Électre']

français: Péponocéphale, Dauphin d'Électre
English: Melon-headed whale, Melon-headed Whale, Many-toothed Blackfish, Melon-headed Blackfish, Melon-headed Whale, Many-toothed blackfish, Electra dolphin
العربية: حوت بطيخي الرأس
مصرى: حوت بطيخى الراس
Kotava: Yaburol
български: Широкомуцунест делфин
català: Orca nana
čeština: Elektra tmavá
Cymraeg: Morfil Pen Pwmpen
dansk: Mangetandet dværgspækhugger
Deutsch: Breitschnabeldelfin, Melonenkopf
español: Calderón Pequeño, Electra
فارسی: نهنگ سرخربزه‌ای
עברית: לווייתן דלוע-ראש
magyar: Fehérajkú kardszárnyúdelfin
Bahasa Indonesia: Paus kepala melon
日本語: カズハゴンドウ
қазақша: Қауынбас кит
한국어: 고양이고래
മലയാളം: മത്തങ്ങാത്തലയൻ തിമിംഗലം
Nederlands: Witlipdolfijn
Diné bizaad: Łóóʼtsoh yázhí biwooʼłání
polski: Melonogłów wielozębny
پنجابی: دوانہ سر وہیل
português: Golfinho-cabeça-de-melão
русский: Бесклювый дельфин
Simple English: Melon-headed whale
svenska: Melonhuvudval
Türkçe: Elektra balinası
oʻzbekcha / ўзбекча: Qovun Boshli Kit
Tiếng Việt: Cá voi đầu dưa
中文: 瓜頭鯨, 瓜头鲸
中文（中国大陆）: 瓜头鲸
中文（简体）: 瓜头鲸
中文（繁體）: 瓜頭鯨
中文（香港）: 瓜頭鯨
中文（臺灣）: 瓜頭鯨

Remarque : For ITIS & Mammal Species of the World (2005) & The Paleobiology Database, this is currently the only extant (living) species in the genus Peponocephala (En date du 24 juin 2012).