The energy crisis of the 1970s sparked growing concern over minimizing fuel consumption
in water, land, and air transportation. Researchers fascinated by sharks' effortless swimming …

Elasmobranchs (sharks, rays and skates) are among the most threatened marine
vertebrates, yet their global functional diversity remains largely unknown. Here, we use a …

Modern sharks have an evolutionary history of at least 250 million years and are known to
play key roles in marine systems, from controlling prey populations to connecting habitats …

The emergence and subsequent evolution of pectoral fins is a key point in vertebrate
evolution, as pectoral fins are dominant control surfaces for locomotion in extant fishes. 1, 2 …

Eocene climate cooling, driven by the falling pCO2 and tectonic changes in the Southern
Ocean, impacted marine ecosystems. Sharks in high‐latitude oceans, sensitive to these …

Apex and mesopredators such as elasmobranchs are important for maintaining ocean
health and are the focus of conservation efforts to mitigate exposure to fishing and other …

Elasmobranchs (sharks and rays) are a charismatic lineage of unquestionable ecological
importance in past and present marine ecosystems. Represented by over 1200 species …

Aim Modern sharks are a diverse and highly threatened group playing important roles in
ecosystems. They have an abundant fossil record spanning at least 250 million years (Myr) …

Disproportional changes (ie allometry) in shark morphology relative to increasing body size
have been attributed to shifts in function associated with niche shifts in life history, such as in …

The lifelong tooth replacement in elasmobranch fishes (sharks, rays and skates) has led to
the assemblage of a great number of teeth from fossil and extant species, rendering tooth …