Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/1a672839217d0188d944ee2fc6c08d9e.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 nomen dubium是什么意思，nomen dubium的翻译，nomen dubium音标、读音、用法和例句_绍翊字体网有道词典
For the reasons of preserve situation and the difficulty of preparation, there are a lot of synonym and the nomen dubium in the published taxa. 由于化石的保存状况以及标本的修理难度等多种原因，已经发表的材料中包括了大量的同物异名现象以及无效的属种。