Olenellid trilobites from the lower Cambrian of the Iberian Peninsula are very scarce and poorly studied, making them difficult to compare with defined species and to include in biostratigraphic and paleobiogeographic analyses. Based on newly collected specimens, we revise the species ‘Callavia? lotzei’ Richter and Richter, 1941 from the ‘Cumbres beds’ of Cumbres de San Bartolomé and the ‘Herrerías shale’ of Cañaveral de León, Sierra del Bujo, and Hinojales (Huelva, Spain), and ‘Paradoxides choffati’ Delgado, 1904 from the Vila Boim Formation of Elvas (Portugal). The new material indicates that Callavia? lotzei is a junior synonym of ‘P. choffati.’ The Iberian species are here assigned to Callavia Matthew, 1897, for which morphological characters are reassessed, offering a valuable opportunity to discuss characters previously misinterpreted for this genus. Traditionally assigned to the Olenelloidea Walcott, 1890, Callavia lacks some of the diagnostic characters of this superfamily and is here assigned to Judomioidea Repina, 1979. A new diagnosis for this genus is provided, and Sdzuyomia Lieberman, 2001 is considered to represent a junior synonym of Callavia. The genus Callavia is distributed across the western margin of Gondwana, from the western Mediterranean region (Iberia and Morocco) throughout all the Avalonia sectors (UK, eastern Newfoundland, and Massachusetts). Its presence in Iberia supports the faunal links between the West Gondwana domain and Avalonia during Cambrian Series 2. The Iberian records of Callavia choffati are assigned to the middle part of the regional Marianian Stage (uppermost Cambrian Stage 3 to the lowermost Cambrian Stage 4) and correlates with the Callavia Biozone of Avalonia (lower Branchian Series).

中文翻译：

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来自伊比利亚寒武纪系列 2 的 Callavia (Trilobita)，具有该属的系统地位

来自伊比利亚半岛下寒武纪的三叶虫非常稀少，研究也很少，这使得它们难以与确定的物种进行比较，也难以纳入生物地层和古生物地理分析。根据新采集的标本，我们修改了物种'卡拉维亚?洛泽伊'Richter 和 Richter，1941 年来自 Cumbres de San Bartolomé 的“Cumbres 床层”和 Cañaveral de León、Sierra del Bujo 和 Hinojales（西班牙韦尔瓦）的“Herrerias 页岩”，以及“杂种乔法蒂' Delgado，1904 年来自 Elvas（葡萄牙）的 Vila Boim 组。新材料表明卡拉维亚?洛泽伊是 ' 的初级同义词P. choffati。伊比利亚物种在这里被分配到卡拉维亚Matthew, 1897 重新评估了形态特征，提供了一个宝贵的机会来讨论以前被误解为该属的特征。传统上分配给 Olenelloidea Walcott，1890 年，卡拉维亚缺乏这个超科的一些诊断特征，在这里被分配给 Judomioidea Repina，1979。提供了对该属的新诊断，并且苏约米亚Lieberman, 2001 被认为是卡拉维亚. 属卡拉维亚分布于冈瓦纳西部边缘，从西地中海地区（伊比利亚和摩洛哥）到所有阿瓦罗尼亚地区（英国、纽芬兰东部和马萨诸塞州）。它在伊比利亚的存在支持了寒武纪系列 2 期间西冈瓦纳地区和阿瓦隆尼亚之间的动物联系。马蹄莲被分配到区域玛丽安阶段的中部（最高寒武纪第 3 阶段到最低寒武纪第 4 阶段）并与卡拉维亚阿瓦隆尼亚生物区（下鳃系列）。