zoology / animals, radiolarian (Radiolaria), 1 Acanthometra elastica, 2 Acanthometra bulbosa, 3 Acanthometra dolichoscia, 4 Acanthometra compressa, 5 Acanthometra tetracopa, 6 Acanthometra Muelleri, 7 Acanthometra fragilis, 8 Acanthometra sicula, 9 Acanthometra brevispina, 10 Acanthometra quadrifolia, 11 Acanthometra cuspidata, 12 Acanthometra claparedei, 13 Xiphacantha cruciata, 14 Xiphacantha serrata, 15 Xiphacantha , Additional-Rights-Clearences-Not Available

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Photo credit: © INTERFOTO / History / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 2, 16, 17, 18, 19, 20, 21, 22, 23, 1862, acanthometra, amphilonche, animals, anomala, belonoides, berlin, bulbosa, colour, complanata, denticulata, die, elastica, elongata, ernst, haeckel, lithograph, messanensis, quadridentata, radiolaria, radiolarian, radiolarien, tenuis, tetraptera, volume, zoology