Up to 7 cm
Flattened, conical or limpet-shaped
Up to 6 meters
Bipedal, slender
1.2 to 1.9 meters
Large and robust
14 to 19 inches
Small, compact body with long legs
Up to 160 cm
Elongated and robust
Up to 3 feet
Flat body with broad pectoral fins
Range from 0.3 mm to over 15 cm
Compact and hard-bodied with a pair of elytra covering the wings
Varies
Large, muscular
Up to 7 meters
Elongated body with a long, flattened snout
10-16 inches (25-40 cm)
Medium-sized, oval-shaped
50 to 80 cm
Medium-sized and slender
1.2 to 1.5 meters
Slender and elongated
Up to 3 meters (10 feet)
4-6 cm
Cylindrical
Varies depending on species, ranging from 2.5 to 10 inches (6 to 25 centimeters)
Large, hairy bodies with eight legs and two fangs
Up to 20 cm
Elongated and slender
Up to 7 meters (23 feet)
Large, flat body with triangular pectoral fins
Averages about 7-9 inches (18-23 cm) in length
Streamlined with a broad head and mouth
