Holothuria (Mertensiothuria) viridiaurantia sp. nov. (Holothuriida, Holothuriidae), a new sea cucumber from the Eastern Pacific Ocean revealed by morphology and DNA barcoding

Ossicles comparison between Holothuria (Mertensiothuria) viridiaurantia sp. nov. and Holothuria (Mertensiothuria) hilla. A Holotype of H. (M.) viridiaurantia sp. nov. (INV EQU4309, L = 70 mm) B H. (M.) hilla (INV EQU4311, L = 65 mm); showing end plates from tube feet and ossicle set from tentacles (large and small rods) and longitudinal muscles (C's and O's ossicles). Scale bars: 100 µm (except A upper).