|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Maxillopoda - Sessilia - Coronulidae
It was assigned to Cirripedia by Sepkoski (2002); to Coronulinae by Bianucci et al. (2006); and to Coronulidae by McLaughlin et al. (2005), Jones (2007) and Collareta et al. (2018).
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.
|A. Collareta et al. 2018||Bo- dy within shell wall composed of six equal- sized compartments; opercular valves pre- sent; parietes with similar structure throughout, without internal midribs; parie- tal ribs radiate accordion-like to end as T- shaped flanges forming exterior of wall; ra- dii less than half thickness of parietes, orifi- ce of body chamber larger than basal opening; sheath smooth, extending entire length of inner wall; radiating ribs on either side of sutures unbranched or asymmetrically branched; opposed sides of terminal flanges crenulate.|