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Biology: Nematocysts

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LocationImageCnidae TypeRange of
Lengths (m)
Range of
Widths (m)
nNState
Carlgren O., 1945
Actinopharynx
N/A basitrichs  20.4 - 26.1  x  3.5 - 4.2  /
N/A basitrichs  17.6 - 22.6  x  3.5 - 4  /
N/A microbasic p-mastigophores  21.1 - 28.2  x  5 - 5.6  /
N/A microbasic p-mastigophores  24 - 28.2  x  5.6 - 6  /
N/A microbasic p-mastigophores  18.3 - 19.7  x   - 6.5  /
Column
N/A basitrichs  22.6 - 26.1  x  3 - 3.5  (4.2) /
N/A basitrichs  19 - 23.3  x  2.8 - 3.5  /
N/A microbasic p-mastigophores  31.8 - 36.7  x  4 - 5.5  /
N/A microbasic p-mastigophores  24 - 38.1  x  5.6 - 6.8  /
Filaments
N/A basitrichs  10 - 12.7  x   - 2.2  /
N/A microbasic p-mastigophores  22.6 - 28.2  x  4.2 - 5.5  /
N/A microbasic p-mastigophores  24 - 28.2  x  5.5 - 6  /
N/A microbasic p-mastigophores  18.3 - 21.1  x  5.6 - 6.5  /
Tentacles
N/A basitrichs  21.1 - 24  x  3.5 - 4.9  /
N/A basitrichs  19.7 - 22.6  x  3 - 3.5  /
N/A microbasic p-mastigophores  29.6 - 33.8  x  5 - 6.5  /
N/A spirocysts   -   x   -   /
N/A spirocysts   -   x   -   /
Dunn D. F., 1981
Actinopharynx
basitrichs  9 - 12.5  (15.4) x (1.8)  2.5 - 3.1  33 / 12 Unfired
basitrichs  16.7 - 28.2  x  2.9 - 5.6  343 / 33 Unfired
microbasic p-mastigophores (23)  24.6 - 37.5  (45) x  5 - 7.7  206 / 26 Unfired
spirocysts  21.3 - 30.8  x  2.9 - 4.1  11 / 3 Unfired
Column
basitrichs (17.9)  19.2 - 30.8  (32) x (2.5)  3 - 5.2  (6.1) 339 / 35 Unfired
basitrichs  8.2 - 14.4  x  2 - 3.8  125 / 16 Unfired
microbasic p-mastigophores  30.7 - 42.5  (52.5) x (5)  5.6 - 7.7  (8.9) 99 / 21 Unfired
spirocysts  17.2 - 37.5  x  2 - 4.3  21 / 4 Unfired
Filaments
basitrichs (7.7)  10.7 - 18  (21.5) x  1.2 - 3.3  (4.3) 239 / 31 Unfired
basitrichs (17.9)  19.7 - 29.3  x (2.5)  3.1 - 6.1  (7.1) 142 / 29 Unfired
microbasic p-mastigophores (16.4)  20 - 34.9  (41) x  3.8 - 7.2  (8.3) 298 / 37 Unfired
spirocysts  20 - 28.7  (30.3) x  2.8 - 4.1  13 / 7 Unfired
Tentacles
basitrichs (6.8)  9.8 - 15.4  x  1.6 - 3  (3.5) 69 / 12 Unfired
basitrichs  17.4 - 30.8  (32) x (2.4)  3.3 - 5.9  (7.1) 510 / 45 Unfired
spirocysts (14.8)  16.4 - 32  (34.4) x  2.4 - 4.6  (6) 238 / 45 Unfired

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© Hexacorallians of the World

Source: Hexacorallians of the World

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