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...

"Marbled Cat Shark Egg / Shark and Reef". Archived from the original on 2018-10-14. Retrieved 2018-10-14. Egg case (Chondrichthyes) - Wikipedia "Surgeons...

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...

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)...

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

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...

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...

consumed by predators. Bullhead shark egg cases are shaped like an auger, with two spiral flanges. This allows the egg cases to become wedged in the crevices...

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...

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

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

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...

into the new Caliraja genus after an analysis of egg case morphology and the number of embryos per egg case. This issue has not be completely resolved and...

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

catsharks, that 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...

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...

fertilized eggs, commonly referred to as Mermaid's purses. Each corner of the rectangular egg case has a small curved horn. The size of the egg case ranges...

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...

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...

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...

hdl:10536/DRO/DU:30121990. PMID 31112680. Mabragaña, E., et al. “Chondrichthyan egg cases from the south‐west Atlantic Ocean.” Journal of Fish Biology, vol. 79...

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...

eggs are released; the sex of a fish can often be determined by the shape of its papilla. Most male fish have two testes of similar size. In the case...