SELECT p.first_name AS contributor_first,p.last_name AS contributor_last,p2.first_name AS enterer_first,p2.last_name AS enterer_last,t.* FROM people p,people p2,samples t,register t2 WHERE t.contributor_no=p.person_no AND t.enterer_no=p2.person_no AND t.sample_no=t2.sample_no AND genus='Artibeus' AND species='aztecus' GROUP BY t.sample_no SELECT life_form FROM register WHERE genus='Artibeus' LIMIT 1 SELECT corrected_richness AS estimate FROM samples WHERE sample_no=814 SELECT corrected_richness AS estimate FROM samples WHERE sample_no=1700 SELECT corrected_richness AS estimate FROM samples WHERE sample_no=2889 SELECT corrected_richness AS estimate FROM samples WHERE sample_no=3547 SELECT genus FROM register WHERE register_no IN (23416,35356,19556,97429,59696,29244,73320,53082,11643,21737) AND species REGEXP '^[a-z]*$'