|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|V. Gallo et al. 2011||Small-sized ﬁsh (estimated body length up to 46 mm) exhibiting the following combination of features: fairly deep body ventrally armored of acute triangular scutes; dermal skull bones smooth; small oval posttemporal fossa; small orbit ﬁtting about ﬁve times in the head length; small and oblong supraorbital bone; premaxilla and dentary untoothed; fairly deep lower jaw; narrow opercle, about twice higher than long; vertebral centra well-ossiﬁed and smooth bearing well-developed haemal and neural arches; elongate and arched pleural ribs lying on short parapophysis; intermuscular bones present in the caudal region; anal ﬁn elongate-based, with about 25 rays; 18 caudal vertebrae; haemal spines anterior to the second preural centrum fused to their respective centra; slender and autogenous parhypural; six hypurals, the ﬁrst one being the largest of the set; no diastema among the hypurals; two rod-like epurals; three uroneurals, the ﬁrst one extending forward to the posterior end of the ﬁrst preural centrum; caudal ﬁn bearing very elongate rays surpassing the anal base length.|