Abstract Statistical phylogenetic analyses of 111 5.8 S and partial-28S ribosomal DNA
sequences (total aligned length= 434 nucleotides) including jellyfishes representing …

A stable phylogenetic hypothesis for families within jellyfish class Scyphozoa has been
elusive. Reasons for the lack of resolution of scyphozoan familial relationships include a …

The class scyphozoa is approximately made up of 4 orders, 2 suborders, 24 families, 11
subfamilies, 71 genera and over 220 species. Members from this class, commonly referred …

Background Species of the scyphozoan family Pelagiidae (eg, Pelagia noctiluca, Chrysaora
quinquecirrha) are well-known for impacting fisheries, aquaculture, and tourism, especially …

Scyphozoan jellyfish, or scyphomedusae, are conspicuous members of many ocean
ecosystems, and have large impacts on human health and industry. Most scyphomedusae …

Pelagic gelatinous invertebrates in many diverse phyla aggregate, bloom, or swarm.
Although typically portrayed as annoying to humans, such accumulations probably are …

Molecular analyses have revealed many cryptic species in the oceans, often permitting
small morphological differences to be recognized as diagnosing species, but less commonly …

Ephyrae, the early stages of scyphozoan jellyfish, possess a conserved morphology among
species. However, ontogenetic transitions lead to morphologically different shapes among …

Understanding the hierarchy of populations from the scale of metapopulations to
mesopopulations and member local populations is fundamental to understanding the …

Mass occurrence—aggregation, blooming, or swarming—is a remarkable feature of a subset
of usually diverse scyphozoan clades, suggesting it is evolutionarily beneficial. If so, it …