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小紫口結螺 Morula iostoma (Reeve, 1846)
黑疣結螺 Oppomorus funiculatus (Reeve, 1846)
粗瘤紫口結螺 Oppomorus purpureocinctus (Preston, 1909)
這3種確實不易分辨,我們來調一下原始文獻:
小紫口結螺 Morula iostoma (Reeve, 1846)
https://www.biodiversitylibrary.org/page/11118823#page/460/mode/1up
黑疣結螺 Oppomorus funiculatus (Reeve, 1846)
https://www.biodiversitylibrary.org/page/11118823#page/452/mode/1up
粗瘤紫口結螺 Oppomorus purpureocinctus (Preston, 1909)
https://www.biodiversitylibrary.org/page/11129993#page/385/mode/1up
這3種以粗瘤紫口結螺的瘤最大最明顯,黑疣結螺的瘤顆粒較小,小紫口結螺的瘤是扁的,
雖然xu3ej00u04的標本被石灰質包覆不易辨認,但看它的瘤很大顆,粗瘤紫口結螺的機會比較大,
貼一張wangson粗瘤紫口結螺(如下圖)
forum_posts.asp?TID=1072
小紫口結螺及黑疣結螺可以考 seashell2392 的標本:
forum_posts.asp?TID=3443
Edited by bill on 12-August-2026 at 4:05pm
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