Question: What is Authors, when Novelty is gen nov, when Location is South Africa, and when Name is Criocephalosaurus?
SQL: SELECT "Authors" FROM "2-15313494-8" WHERE "Novelty" = 'gen nov' AND "Location" = 'South Africa' AND "Name" = 'Criocephalosaurus';

Question: What is Status, when Location is Russia?
SQL: SELECT "Status" FROM "2-15313494-8" WHERE "Location" = 'Russia';

Question: What is Authors, when Novelty is gen et sp nov, and when Name is Lanthanocephalus?
SQL: SELECT "Authors" FROM "2-15313494-8" WHERE "Novelty" = 'gen et sp nov' AND "Name" = 'Lanthanocephalus';

Question: What is Name, when Authors are Kammerer & Sidor?
SQL: SELECT "Name" FROM "2-15313494-8" WHERE "Authors" = 'Kammerer & Sidor';

Question: What is Name, when Location is Tanzania, and when Novelty is gen nov?
SQL: SELECT "Name" FROM "2-15313494-8" WHERE "Location" = 'Tanzania' AND "Novelty" = 'gen nov';

Question: What is Name, when Status is Valid, when Authors is Maisch, when Location is Tanzania, and when Novelty is gen et sp nov?
SQL: SELECT "Name" FROM "2-15313494-8" WHERE "Status" = 'Valid' AND "Authors" = 'Maisch' AND "Location" = 'Tanzania' AND "Novelty" = 'gen et sp nov';