ERROR: select the ranks to be displayed using srank.
Example: rank=custom&srank=kingdom,class,family,species
Valid ranks are:
superkingdom
kingdom
subkingdom
superphylum
phylum
subphylum
superclass
class
subclass
infraclass
cohort
subcohort
superorder
order
suborder
infraorder
parvorder
superfamily
family
subfamily
tribe
subtribe
genus
subgenus
section
subsection
series
species_group
species_subgroup
species
subspecies
varietas
forma