Skip to main content
Cardus crucifer Willemoesia leptodactyla Willemoesia forceps Homeryon armarium Pentacheles laevis Pentacheles obscurus Pentacheles validus Pentacheles snyderi Polycheles coccifer Polycheles baccatus Polycheles perarmatus Polycheles typhlops Dianecheles martini Neopolycheles enthrix Neopolycheles amemiyai Stereomastis helleri Stereomastis alis Stereomastis suhmi Stereomastis sculpta Stereomastis talismani Stereomastis surda Stereomastis aculeata Stereomastis phosphorus Stereomastis galil Stereomastis polita Stereomastis panglao Stereomastis nana Linuparus sordidus Puerulus angulatus Bathyarctus rubens Nephropsis serrata Metanephrops armatus Thaumastocheles japonicus Acanthacaris tenuimana
0 100 200 300 400 447 Time (MYA)
Name:
Clade Size:
Estimated Time: