【馒头蟹Calappa sp】左边蟹钳的突刺类似长矛,右边蟹钳类似盾牌,它们集中在一起如同古希腊的重装步兵方阵[doge][doge]
early oligocenecalappidaebrachyuraA new species of , n. sp. (Calappidae De Haan, 1833), is described based on a single specimen from the Rupelian (early Oligocene) of Rio Caramagna, Cassinelle (Alessandria, Piedmont, NW Italy). This new record represents the oldest fossil species for ...
Pietro (Asti, Piedmont, NW Italy) have been assigned to (Linnaeus, 1758) (Calappidae De Haan, 1833) and to n. gen., n. sp. (Goneplacidae MacLeay, 1838). Although has already been reported from the Pliocene of other Italian regions, the Piedmont specimen represents one of the most ...
Figure 4. Distribution of female (F) and male (M) Calappa granulata maturity stages (IM—immature, RU—rudimentary, DI—developing, DE—developed, SP—spent) presented in 4 mm carapace length (CL) size classes. The specimens were caught in the central eastern Adriatic Sea. Table 4. Number...