Table 1.

Summary of quality statistics for the transcriptomic and genomic dataset used

Species	N25	N50	N75	Longest	Mean	Median	Shortest	Number of contigs
Strongyloncetrotus purpuratus	6297	4108	2438	22,850	2821	2139	400	29,072
Amphiura filiformis	2601	1410	639	18,993	925	525	297	91,311
Patiria miniata	1131	474	351	23,898	524	369	63	263,867
Antedon meditarrenea	1508	443	186	36,836	302	156	100	607,455