An egg case or egg capsule, often colloquially called a mermaid's purse, is the casing that surrounds the eggs of oviparous chondrichthyans. Living chondricthyans...

egg case in Wiktionary, the free dictionary. Egg case may refer to: Ootheca, an egg case made by some insects and molluscs Egg case (Chondrichthyes)...

belongs to the class Chondrichthyes. This class consists of all the cartilaginous fishes, including sharks and stingrays. Chondrichthyes is divided into two...

information related to Chondrichthyes. The Wikibook Dichotomous Key has a page on the topic of: Chondrichthyes Taxonomy of Chondrichthyes Images of many sharks...

Rhincodontidae, which belongs to the subclass Elasmobranchii in the class Chondrichthyes. Before 1984 it was classified as Rhiniodon into Rhinodontidae. Whale...

subclass Elasmobranchii in the class Chondrichthyes. The Elasmobranchii also include rays and skates; the Chondrichthyes also include Chimaeras. It was thought...

t e Sharks Topics Outline of sharks Shark anatomy Shark tooth Egg case (Chondrichthyes) Threat display Threatened sharks Taxonomy Carcharhiniformes (Ground...

by Goto et al. (1988), to Elasmobranchii by Williams (1998), and to Chondrichthyes by Sepkoski in 2002 and by Maisey in 2008. The uncrushed braincase of...

Archived from the original on 2018-10-14. Retrieved 2018-10-14. Egg case (Chondrichthyes) - Wikipedia "Surgeons, Tangs and Doctorfishes, Family Acanthuridae"...

with females laying up to 24 eggs from February to April. After laying, the female picks up the auger-shaped egg cases and wedges them into crevices...

t e Sharks Topics Outline of sharks Shark anatomy Shark tooth Egg case (Chondrichthyes) Threat display Threatened sharks Taxonomy Carcharhiniformes (Ground...

womb but without involvement of a placenta. The eggs of oviparous skates are laid in leathery egg cases that are commonly known as mermaid's purses and...

egg cases protected by a horny capsule with long tendrils. Egg cases are mostly deposited on macroalgae in shallow coastal waters. When the egg cases...

production of new ova. Both ovulated eggs and early-stage shark embryos are enclosed in chondrichthyes, ellipsoid egg-cases made of a thin, golden-brown membrane...

dermal denticles. Hybodonts laid egg cases, similar to those produced by living cartilaginous fish. Most hybodont egg cases are assigned to the genus Palaeoxyris...

species of catsharks, like the chain dogfish, are oviparous and lay eggs in tough egg cases with curly tendrils at each end, known as "mermaid's purses", for...

summer, females lay about 40 egg cases in sandy or muddy flats. The eggs develop for 2–5 months before hatching. Egg cases measure up to 25 cm (10 in)...

study of fish, including bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 33,400 species...

lay eggs which may be liberated directly into the water or may be enclosed in horny egg cases. Some female sharks have been observed to push egg cases into...

grow up to 150 cm (4.9 ft) in length. Like other members of the class Chondrichthyes, chimaera skeletons are entirely cartilaginous, or composed of cartilage...

43 mm (1.7 in) – it has lost its translucency and develops slits in the egg case, allowing fluid exchange from surrounding seawater and the interior 58 mm...

observations on the black torpedo, Torpedo nobiliana Bonaparte 1835 Chondrichthyes: Torpedinidae, from two Mediterranean areas" (PDF). Annales Series Historia...

fertilized eggs develop within the female's oviduct. At first, they are enclosed in an egg case and the developing embryos feeds on the yolk. After the egg hatches...

with females laying large egg capsules measuring 17 cm (6.7 in) long, 8 cm (3.1 in) wide, and 5 cm (2.0 in) thick. The egg case is dark brown to purple...

10–16 eggs per year during late winter in July and August, though Michael (1993) noted that egg-laying may continue year-round. The egg cases measure...

predators include seals and sharks. It is oviparous, laying two egg cases at a time. The egg case is large (about 25 cm) and spindle-shaped, with a ragged frill...

the egg is 8 months, and the embryo uses the yolk for all nourishment. Once hatched, the young instinctively move to deeper water. The egg cases are long...

northwestern Australia. The species name refers to the ridges on the egg case. Egg cases belonging to this species had been documented as early as the 1980s...

of 10–35 eggs annually. Females deposit their egg capsules in pairs on sandy bottoms, in water no more than 27 m (89 ft) deep. The egg cases are amber-colored...

fertilized eggs develop within the female's oviduct. At first, they are enclosed in an egg case and the developing embryos feed on the yolk. After the egg hatches...