Archaebalaenoptera
WebMetopocetus is an extinct genus of baleen whale belonging to the family Cetotheriidae.The type species is Metopocetus durinasus.. Description. Metopocetus is diagnosable by lateral occipital crests continuous with temporal crests that diverge forward, as well as elongate frontals, and short nasal bones that project posterior to frontals. ... Web25 apr 2008 · You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or …
Archaebalaenoptera
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WebFacts and information about prehistoric cetaceans and other prehistoric creatures. WebAbstract: A new basal balaenopterid genus and species, Archaebalaenoptera castriarquati, is described and compared with all the living and fossil members of the family Balaenopteridae and related fossil rorqual-like taxa. It was found in the Lower Pliocene of northern Italy, ...
WebEvoluzione dei cetacei. Voce principale: Cetacei. Secondo le più recenti teorie sull' evoluzione dei cetacei, questi animali si sono evoluti da progenitori terrestri e successivamente si sono adattati alla vita acquatica. Le loro origini terrestri sono indicate dal fatto che essi respirano aria dalla superficie dell'acqua; dal fatto che le ... Archaebalaenoptera is a genus of extinct rorqual known from late Miocene to Pliocene-age marine deposits of the Netherlands, northern Italy, and Peru. Visualizza altro The type species, A. castriarquati, was discovered in 1983 from the sediments of the late Pliocene (Piacenzian) Castell’Arquato Formation in northern Italy. A cladistic analysis of Balaenopteridae recovered … Visualizza altro The primitive morphology of the jaw suggests that Archaebalaenoptera probably was not capable of ram feeding like living rorquals and humpback whales. Visualizza altro
WebElenco dei cetacei estinti -. List of extinct cetaceans. Per i cetacei attuali, vedere Elenco dei cetacei . L' elenco dei cetacei estinti comprende i generi e le specie estinti dell'ordine dei Cetacea . I cetacei ( balene, delfini e focene ) sono discendenti di mammiferi terrestri, gli ungulati uniformi . I primi cetacei erano ancora mammiferi ... L’archebalenottera (Archaebalaenoptera castriarquati) è un cetaceo estinto, vissuto nel Pliocene inferiore, nel periodo compreso da 3,2 a 2,5 milioni di anni fa, i cui fossili sono stati ritrovati in Italia.
Websi segnalano le balenottere primitive Archaebalaenoptera ed Eobalaenoptera, la "minuscola" balena Balaenella, il primitivo Titanocetus rinvenuto a San Marino e l'antica balena grigia Eschrichtioides. La famiglia dei cetoteridi (Cetotheriidae), passato ritenuta ancestrale a tutti i
Web18 ago 2024 · The results suggest that the North Atlantic acted as a centre of origin for many balaenopterid radiations and as a starting basin for recurrent invasions of other … fujitsu newton aycliffeWebArchaebalaenoptera castriarquati je nově objevený druh vymřelého kytovce z čeledi plejtvákovitých.Žil ve spodním pliocénu.Byl objeven v severní Itálii blízko městečka Castell'Arquato. Fylogenetické analýzy ukazují, že jde o druh, který stojí zcela na bázi čeledi plejtvákovitých, je tedy sesterským taxonem ostatních kytovců z této čeledi. gil scott heron obituaryWebวงศ์วาฬแกลบ. วงศ์วาฬแกลบ [2] หรือ วงศ์วาฬอกร่อง ( อังกฤษ: Rorqual; การออกเสียง / ˈrɔːrkwəl /) เป็น วงศ์ ของ สัตว์เลี้ยงลูกด้วยนม ขนาดใหญ่ ใน ... fujitsu north america support