Laackmanniella naviculaefera, forma coxliella – synonym of Laackmanniella naviculaefera
Laackmanniella naviculaefera, forma naviculaefera – synonym of Laackmanniella naviculaefera
Laackmanniella naviculaefera, forma prolongata – synonym of Laackmanniella naviculaefera
Laackmanniella prolongata – synonym of Laackmanniella naviculaefera
Laboea compressa – synonym of Strombidium compressum
Laboea conica – synonym of Strombidium conicum
Laboea crassula – synonym of Strombidium crassulum
Lagynus crassicollis – synonym of Enchelyodon laevis
Lagynus laevis – synonym of Enchelyodon laevis
Lagynus ornatus – synonym of Enchelyodon laevis
Lagynus sulcatus – synonym of Enchelyodon laevis
Lamprocyclas cranoides – synonym of Theocorythium trachelium
Lamprocyclas junionis – synonym of Lamprocyrtis hannai
Lamprocyclas trachelius – synonym of Theocorythium trachelium
Lamprocyrtis haysi – synonym of Lamprocyrtis nigriniae
Lembus elongatus – synonym of Cohnilembus verminus
Lembus infusionum – synonym of Cohnilembus verminus
Lembus pusillus – synonym of Pseudocohnilembus pusillus
Lembus verminus – synonym of Cohnilembus verminus
Leprotintinnus naviculaeferus – synonym of Laackmanniella naviculaefera
Leprotintinnus nordqvisti – synonym of Tintinnopsis nordqvisti
Leprotintinnus prolongatus – synonym of Laackmanniella naviculaefera
Leprotintinnus prolongatus, forma ventricosa – synonym of Laackmanniella naviculaefera
Lipmanella virchowii – synonym of Lipmanella dictyoceras
Liriospyris reticulata – synonym of Amphispyris reticulata
Lithadia rotundata – synonym of Ebalia rotundata
Lithocampe aquilonaris – synonym of Botryostrobus aquilonaris
Lithocampe multiseriata – synonym of Phormostichoartus corbula
Lithomelissa monoceras – synonym of Peromelissa phalacra
Lithomitra arachnea – synonym of Siphocampe arachnea
Lithomitra lineata – synonym of Siphocampe lineata
Lithomitra nodosaria – synonym of Siphocampe lineata
Lithostrobus seriatus – synonym of Botryostrobus auritus/australis
Lohmanniella spiralis – synonym of Pelagostrobilidium spirale
Lophocorys polyacantha – synonym of Sethoconus anthocyrtis
Lophospyris pentagona – synonym of Lophospyris pentagona pentagona
Lophospyris pentagona pentagona
Lophospyris quadriforis – synonym of Lophospyris pentagona pentagona
Loxophyllum setigerum – synonym of Kentrophyllum setigerum