A new necrocarcinid crab, Necrocarcinus christinae, is described from the Cenomanian deposits (Woodbine Formation) of Irving, Texas. Only a handful of decapod species are known from this formation but N. christinae sp. nov. remarkably represents the third palaeocorystoid crab. The size of the sole specimen known is much larger than usual for the genus; only the larger size of N. woodwardii is more or less comparable, and this species is morphologically most similar to this species. The closely allied genus Elektrocarcinus is reviewed and its diagnostic characters are discussed; its composition is here revised.

The sole specimen of Necrocarcinus christinae sp. nov. retains a complete female thoracic sternum, with well-preserved spermathecal apertures. These are the first of such structures known from the Necrocarcinidae; they are conspicuously large compared with similar structures in other palaeocorystoid families such as Cenomanocarcinidae and Palaeocorystidae and likely represent the more basal, plesiomorphic character state. In that respect, this new material contributes to a more complete knowledge of the morphology and diversity of the extinct palaeocorystoid stock.

从德克萨斯州欧文的 Cenomanian 矿床（Woodbine 组）中描述了一种新的坏死蟹，Necrocarcinus christinae 。从这个地层中只知道少数十足目物种，但N. christinae sp。十一月 显着地代表了第三种古壳蟹。已知的唯一标本的大小比该属的通常大得多；只有伍德沃德猪笼草的较大尺寸或多或少具有可比性，并且该物种在形态上与该物种最相似。回顾了近缘属Elektrocarcinus并讨论了其诊断特征；它的组成在这里进行了修改。

Necrocarcinus christinae sp的唯一标本。十一月 保留完整的女性胸骨，精囊孔保存完好。这些是从 Necrocarcinidae 中已知的第一个此类结构。与其他古壳虫科（如 Cenomanocarcinidae 和 Palaeocorystidae）中的类似结构相比，它们明显大，并且可能代表更基础的、拟形性的特征状态。在这方面，这种新材料有助于更全面地了解已灭绝的古壳类种群的形态和多样性。