Acanthodii or acanthodians is an extinct class of gnathostomes (jawed fishes). They are currently considered to represent a paraphyletic grade of various fish lineages basal to extant …

Feb 22, 2025 · Acanthodii, commonly known as Spiny Sharks, possess many scales that form a diamond pattern along its body. They prey on smaller creatures among the Ancient Isle's …

The Acanthodii is an Unusual fish, obtainable in Ancient Isle. Due to its low rarity, it makes for an extraordinarily easy catch, moving slowly across the fishing bar. When hooked, a will pop …

Acanthodians are a group of fossil fish known from the Lower Silurian through their extinction in the Permian. Some classify acanthodians with the bony fish (Osteichthyes, described next) …

Acanthodes (from Greek: ἄκανθώδης akanthódis, 'provided with spines') [2] is an extinct genus of acanthodian fish. Species have been found in Europe, North America, and Asia, spanning the …

spiny shark, any of a group of more than 150 species of small extinct fishes traditionally classified in the class Acanthodii and considered by many paleontologists as the earliest known jawed …

The acanthodians are a mysterious extinct group of fishes, which lived in the waters of the Palaeozoic era (541 million to 252 million years ago). They are characterized by a superficially …

Acanthodii (sometimes called spiny sharks) is a class of extinct fishes, having features of both bony fish (Osteichthyes) and cartilaginous fish (Chondrichthyes). They appeared in the early …

The meaning of ACANTHODII is a subclass of Placodermi comprising primitive Paleozoic fishes having the anterior margin of each fin supported by a stout spine and often having one or more …

Phylum Chordata, Class: Acanthodii, Order Acanthodiformes. Geological Time: Early Permian (~290 million years ago) Size: 75 mm in length (along backbone) on 100 mm by 115 mm …