Taxonomy of the clam shrimp Halysestheriidae (Diplostraca: Spinicaudata) from the Upper Cretaceous Nenjiang Formation in central Dayangshu Basin of eastern Inner Mongolia, northeastern China Author LI, GANG text Palaeoentomology 2021 2021-04-29 4 2 156 164 http://dx.doi.org/10.11646/palaeoentomology.4.2.4 journal article 4093 10.11646/palaeoentomology.4.2.4 43c4ba9f-1f5a-47d8-b4bb-a642f0d78bc5 2624-2834 5507750 B023453A-C003-4B0E-8721-744168CBEA14 Superfamily Estheriteoidea Zhang & Chen in Zhang et al ., 1976 Diagnosis. Carapace of various outlines. Umbo small, there are no special structures like spikes, nodules, gland or muscle scars. Growth lines have no reverse curvature at the anterior or posterior dorsal margins. There is no serration structure at the dorsal margin. Growth bands are ornamented with linear ornamentation, and/or from which derived decoration, like dendritic, plaid, chain-like, pitted, mixed decoration. Remarks. Zhang & Chen (in Zhang et al ., 1976 ) named the superfamily Estheriteoidea . The above summarized diagnosis is a translation from the original Chinese diagnosis.