Nehalaennia

{{Short description|Extinct genus of mammals}}

{{Speciesbox

| fossil_range = {{Geological age|Late Miocene}}

| genus = Nehalaennia

| parent_authority = Bisconti, Munstermann & Post, 2019

| species = devossi

| authority = Bisconti, Munstermann & Post, 2019

}}

Nehalaennia is an extinct genus of baleen whale that inhabited the North Sea during the Late Miocene. It is known from the species Nehalaennia devossi.{{Cite journal |last1=Bisconti |first1=Michelangelo |last2=Munsterman |first2=Dirk K. |last3=Post |first3=Klaas |date=17 May 2019 |title=A new balaenopterid whale from the late Miocene of the Southern North Sea Basin and the evolution of balaenopterid diversity (Cetacea, Mysticeti) |journal=PeerJ |language=en |volume=7 |pages=e6915 |doi=10.7717/peerj.6915 |doi-access=free |issn=2167-8359 |pmc=6526909 |pmid=31149399 }}