Arrangement, sequence

ORDER
WordClue
BATorder of mammals
ROWsequence, series
LINErow, sequence
GROUPcategory, order
LOUSEorder of insects
COURSEsequence of events
SYSTEMarrangement, organization
ORDERINGArrangement in a sequence
SCORPIONorder of arachnids
SYMMETRYorder, method
TEUTHIDAorder of molluscs
ALIGNMENTarrangement of items in a line
BUTTERFLYinsect of the order Lepidoptera
CONFUSIONlack of clarity or order
STRUCTUREsystem, arrangement
CUTTLEFISHorder of molluscs
SETTLEMENTarrangement
SUCCESSIONact of following in sequence
SILURIFORMESorder of fishes
ANGUILLIFORMESorder of fishes
SYSTEMarrangement, organization
ORDERarrangement, system