Figure 8. (a–g) <i>Ophiogojira andreui</i> gen. et sp. nov., from the earliest Toarcian (Tenuicostatum chronozone, Early Jurassic) of Uerschterhaff near Sanem, Luxembourg. (a,b) Holotype (MnhnL OPH167) proximal lateral arm plate in external (a) and internal (b) views. (c–e) Paratype (MnhnL OPH168), median lateral arm plate in external (c) and internal (d) views and with detail of spine articulations (e). (f–g) Paratype (MnhnL OPH169), distal lateral arm plate in external (f) and internal (g) views. (h–n) <i>Ophioduplantiera noctiluca</i> gen. et sp. nov., from the late Sinemurian to late Pliensbachian (Raricostatum to Margaritatus chronozones, Early Jurassic), Glasenbach Gorge near Salzburg, Austria. (h,i,l) Holotype (MnhnL OPH170) proximal lateral arm plate in external (h) and internal (i) views and with detail of spine articulations (l). (j,k) Paratype (MnhnL OPH171), median lateral arm plate in external (j) and internal (k) views. (m–n) paratype (MnhnL OPH172), distal lateral arm plate in external (m) and internal (n) views. di, distal; do, dorsal; MO, muscle opening; NO, nerve opening; pr, proximal; SP, spur; TO, tentacle opening. Scale bars equal 0.2 mm.
Thuy Ben, Numberger-Thuy Lea D. and Pineda-Enríquez Tania 2021. New fossils of Jurassic ophiurid brittle stars (Ophiuroidea; Ophiurida) provide evidence for early clade evolution in the deep sea. <i>Royal Society Open Science</i>. 8: 210643.
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