ðə fˈɜːst sˈɛt ɪŋklˈuːdᵻd dˈɛzmoʊnmə ˈænəsˌɛð nˈaʊ saɪˈeɪniə ˈænəsˌɛð, ɐ pɚtˈɪkjʊlɚli stɹˈaɪkɪŋ dʒˈɛlɪfɪʃ ðæt hˈiːkəl əbzˈɜːvd ænd dᵻskɹˈaɪbd ʃˈɔːɹtli ˈæftɚ ðə dˈɛθ ʌv hɪz wˈaɪf ˈænə sˈɛð.
The first set included Desmonema annasethe (now Cyanea annasethe), a particularly striking jellyfish that Haeckel observed and described shortly after the death of his wife Anna Sethe.