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1“...FIGURE 9. a Staurotheca antarctica: stem showing hydrothecal arrangement. b St. dichotoma: stem...”
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2“... –372 (synonymy). Material examined. 12/993 , one fragmented stem (largest fragment ca 160 mm long...”
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3“... –372 (synonymy). Material examined. 12/993 , one fragmented stem (largest fragment ca 160 mm long...”
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4“... long; 7/484, three stem fragments, up to 35 mm long; 12/1002, a few stem fragments, up to 23 mm long...”
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5“... long; 7/484, three stem fragments, up to 35 mm long; 12/1002, a few stem fragments, up to 23 mm long...”
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6“..., figure 3; Peña Cantero and Marques, 1999: 85. Material examined. 6/415, one stem ca 11 mm high (USNM...”
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7“... stipitate erect, unbranched sponge with horizontal filaments at right angles and encircling the entire stem...”
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8“... stipitate erect, unbranched sponge with horizontal filaments at right angles and encircling the entire stem...”
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9“...FIGURE 9. a Staurotheca antarctica: stem showing hydrothecal arrangement. b St. dichotoma: stem...”
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10“...FIGURE 9. a Staurotheca antarctica: stem showing hydrothecal arrangement. b St. dichotoma: stem...”
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11“... stipitate unbranched sponge with numerous horizontal filaments at right angles to the stem (Figure 22 I...”
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12“... stipitate unbranched sponge with numerous horizontal filaments at right angles to the stem (Figure 22 I...”
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13“...). The anterior part of the body is flattened with a single central raised parasol on the apex. The stem is 85 mm...”
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14“...). The anterior part of the body is flattened with a single central raised parasol on the apex. The stem is 85 mm...”
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15“..., figure 3; Peña Cantero and Marques, 1999: 85. Material examined . 6/415 , one stem ca 11 mm high (USNM...”
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16“..., figure 3; Peña Cantero and Marques, 1999: 85. Material examined . 6/415 , one stem ca 11 mm high (USNM...”
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17“... stem, 33 mm high, with only one paired branch left, and a highly fragmented stem (longest fragment c...”
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18“... stem, 33 mm high, with only one paired branch left, and a highly fragmented stem (longest fragment c...”
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19“.... d–g H. tubatum: d stem; e detail of the basal rings of the stem; f–g hydrothecae. h–j Hydrodendron...”
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20“...FIGURE 16. a–e Oswaldella erratum: a stem; b cauline apophysis showing nematophore; c hydrotheca...”
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