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1by Laan, Richard Van Der“... Kiaer 1932: 12 (family) † Poraspis Kiaer 1930 [family name sometimes seen as † Poraspididae...”
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2by Laan, Richard Van Der“... Kiaer 1932: 12 (family) † Poraspis Kiaer 1930 [family name sometimes seen as † Poraspididae...”
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3by Laan, Richard Van Der“... Kiaer 1932: 25 (family) † Traquairaspis Kiaer 1932 [family name also seen as † Traquairaspididae...”
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4by Laan, Richard Van Der“... Kiaer 1932: 25 (family) † Traquairaspis Kiaer 1932 [family name also seen as † Traquairaspididae...”
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5by Laan, Richard Van Der“... of †Tolypelepidae; family name sometimes seen as †Tolypaspididae] †Tolypelepidae Strand 1934: 328 (family...”
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6by Laan, Richard Van Der“... of †Tolypelepidae; family name sometimes seen as †Tolypaspididae] †Tolypelepidae Strand 1934: 328 (family...”
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7by Laan, Richard Van Der“..., Art. 39; family name sometimes seen as †Pterichthyidae] †Ceraspidae Woodward 1891a: 233 (family...”
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8by Laan, Richard Van Der“..., Art. 39; family name sometimes seen as †Pterichthyidae] †Ceraspidae Woodward 1891a: 233 (family...”
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9by Laan, Richard Van Der“... 1968: 18 (family) † Antarctaspis White 1968 [family name also seen as † Antarctaspididae] Published...”
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10by Laan, Richard Van Der“...: 5 (family) † Ctenaspis Kiaer 1930 [family name also seen as † Ctenaspididae] : Published as part...”
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11by Laan, Richard Van Der“...: 5 (family) † Ctenaspis Kiaer 1930 [family name also seen as † Ctenaspididae] : Published as part...”
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12“... (first part of family name), with the Latin ambo (two together), referring to the two sizes of tube feet...”
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13by Laan, Richard Van Der“... 1968: 18 (family) † Antarctaspis White 1968 [family name also seen as † Antarctaspididae] : Published...”
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14by Laan, Richard Van Der“... 1968: 18 (family) † Antarctaspis White 1968 [family name also seen as † Antarctaspididae] : Published...”
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15“... (first part of family name), with the Latin ambo (two together), referring to the two sizes of tube feet...”
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16“... (first part of family name), with the Latin ambo (two together), referring to the two sizes of tube feet...”
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17by Laan, Richard Van Der“... 1937: 14 (family) † Arctolepis Eastman 1908 [family name also seen as † Arctolepididae] : Published...”
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18by Laan, Richard Van Der“... 1937: 14 (family) † Arctolepis Eastman 1908 [family name also seen as † Arctolepididae] : Published...”
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19by Laan, Richard Van Der“... 1939: 57 (family) † Ptycholepis Agassiz 1832 [family name also seen as † Ptycholepididae] †Boreosomidae...”
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20by Laan, Richard Van Der“... 1939: 57 (family) † Ptycholepis Agassiz 1832 [family name also seen as † Ptycholepididae] †Boreosomidae...”
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