TABLE 1 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)
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TABLE 1. Gill-exopod formula of Athanas Leach, 1814. Gills/exopodsMaxillipeds Mxp2Mxp3Mxp1P1P2Pleurobranchs---++Arthrobranchs-----Podobranchs-----Epipods+++1--Mastigobranchs2--+++Setobranchs---++Exopods++++3/-- 1 lateral plate on coxa; 2 strap-like epipods of Chace (1988); 3 if present, rudimentary.
表1 1814年利奇(Leach)定名的鼓虾属(Athanas)鳃-外肢公式 | 鳃/外肢类别 | 第二颚足(Maxilliped 2, Mxp2) | 第三颚足(Maxilliped 3, Mxp3) | 第一颚足(Maxilliped 1, Mxp1) | 第一胸足(Pereiopod 1, P1) | 第二胸足(Pereiopod 2, P2) | | :---------- | :----------------------------- | :----------------------------- | :----------------------------- | :-------------------------- | :-------------------------- | | 侧鳃(Pleurobranch) | - | - | - | + | + | | 关节鳃(Arthrobranch) | - | - | - | - | - | | 肢鳃(Podobranch) | - | - | - | - | - | | 上鳃(Epipod) | + | + | +<sup>1</sup> | - | - | | 丝鳃(Mastigobranch) | <sup>2</sup>- | - | - | + | + | | 刚毛鳃(Setobranch) | - | - | - | + | + | | 外肢(Exopod) | + | + | + | + | <sup>3</sup>/-- | ### 注释 1. 基节上的侧板; 2. 蔡斯(Chace, 1988)所述的带状上鳃; 3. 若存在则为退化结构。



