The correct spelling of the word "lamna" is actually "Lamna". This word is pronounced as /ˈlæmnə/ in IPA phonetic transcription. The first sound, /l/, is a voiced alveolar lateral consonant. The second sound, /æ/, is a short front vowel. The next sound, /m/, is a voiced bilabial nasal consonant. Lastly, the final sound, /n/, is also voiced alveolar nasal consonant. Lamna is actually a genus of sharks, which includes the well-known Mako shark. It is important to use correct spelling to ensure clear communication and avoid any misunderstandings.
In geol., a genus of sharks having thin, sharp, plate-like teeth.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.