vertebrates Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
   Class †Pteraspidomorphi Goodrich, 1909 see Class Pteraspidomorpha
     Subclass †Heterostraci Lankester, 1868
       Order †Pteraspidiformes Berg, 1940
         Suborder †Pteraspidoidei Berg, 1940
           Family †Larnovaspididae Novitskaya, 1986
             Genus †Alaeckaspis Voichychyn, 1999
               1 †Alaeckaspis verbivciensisᵀ Voichyshyn, 1999
               2 †Alaeckaspis ustetchkiensis Voichyshyn, 1999
               3 †Alaeckaspis magnipinealis (Brotzen, 1933)
               4 ?†Alaeckaspis depressa (Stensiö, 1958)