21. The "'Pseudeurotiaceae "'are a orders with any degree of certainty ( incertae sedis ). 22. Olson and Feduccia placed the genus as Aves incertae sedis noting it was possibly a member of the order Gruiformes. 23. The Miocene Saint Bathans Fauna also preserves remains of a vesper bat and several " incertae sedis " species. 24. However, Vickaryous and others consider this assignment provisional and list the genus as Ankylosaurinae " incertae sedis ". 25. The same year Peter Wellnhofer was more careful and limited his assessment to a Pterodactyloidea " incertae sedis ". 26. The relationship of this taxon to other taxa within the class is unknown ( " incertae sedis " ). 27. The relationship of this taxon to other taxa in the class is unknown ( " incertae sedis " ). 28. The relationship of this taxon to other taxa within the order is unknown ( " incertae sedis " ). 29. OBIS ( the Indo-Pacific Molluscan Database ) declares this species an Incertae Sedis ( with uncertain taxonomic placement ). 30. Traditionally considered a metatherian " incertae sedis ", more recent analysis have shown it to be a gondwanathere.
