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Nov., a new ichnospecies of borings constructed by Phoronida, clearly dominates this ichnocoenosis.
这个遗迹化石群中,帚虫类动物制造的钻孔Talpinahunanensisichnosp.nov。
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Any of the small, wormlike marine animals of the phylum Phoronida, inhabiting a chitinous tube and having a U-shaped digestive tract.
帚虫帚虫门中的一种小的蚕状海生动物,生长在角质的管内,并有一个u 型的消化道
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Both the new peniculus 1 and the old haplokinety separated at the telophase.The two germinal rows germinal rowsfor both the daughter cells appeared almost at the same time;(2) The macronucleus became shorter and thicker, finally oblate during the division of the cell. Then the macronucleus restored its original shape, band-like form. The micronucleus were divided into two before the macronucleus division;(3) The original scopula and stalk contributed to the old cell. The new cell formed scopula gradually after the cell division.
同时,新仔虫的第一咽膜(P′1)也开始由老单毛基索复制,并在细胞分裂后期与老结构分离;(2)大核在虫体分裂过程中由长带状逐渐缩短变粗至扁圆形,于虫体即将分开时迅速拉长,然后分裂为二个新大核;小核分裂先于大核,在两仔虫口纤毛器即将分开时完成;(3)原帚胚及柄归属老仔虫,新仔虫的帚胚在虫体分裂后逐渐形成,柄内肌丝则在柄鞘形成后逐渐长出。
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Of or belonging to the phylum Phoronida.
帚虫的,属于帚虫门的
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Ectoprocta:外肛动物门(苔藓虫)
Phoronida - 帚虫动物门 | Ectoprocta - 外肛动物门(苔藓虫) | Brachiopoda - 腕足动物门
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Phoronid:帚虫
Phormiumtenax 新西兰麻 | Phoronid 帚虫 | Phoronida 帚虫类
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Phoronida:帚虫动物门
帚虫动物门(phoronid)是动物界的一个小门,仅有2个属,...基本介绍 帚虫动物门(Phoronida) 身体呈长圆柱形,栖居在几丁质栖管中. 身体分化为触手环、躯干和球根三部分. 触手环呈马蹄形,上具纤毛. 无附肢,有"U"形消化道.
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Phoronida:帚虫类
Phoronid 帚虫 | Phoronida 帚虫类 | Phoronidae 帚虫科
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Phylum PHORONIDA:帚虫动物门
15 腕足动物门Phylum BRACHIoPODA | 16 帚虫动物门Phylum PHORONIDA | 17 毛颚动物门Phylum CHAETOGNATHA
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phoronidea:帚虫类
phoresy 携运 | phoronidea 帚虫类 | phoronids 帚虫类
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phoronidea:帚虫纲
Phoral 铝磷合金 | Phoronidea 帚虫纲 | Phoronis 帚虫属
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Class Phoronidea:(帚形虫纲)如帚形虫
如星虫Sipunculus | Class Phoronidea(帚形虫纲)如帚形虫Phoronis | Class Brachiopoda(腕足纲)如海豆芽Lingula
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Phoronis:帚虫属
只有2属(帚虫属(Phoronis)及Phoronopsis属)16种被确认. 本门动物无肯定的化石记录. 根据本门动物的体形,其分类地位与苔藓动物和腕足动物都很接近.
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Sabellidae:帚虫科
Sabellaridae 帚毛虫科 | Sabellidae 帚虫科 | Sabellinae 帚虫亚科