Unlike most such sports rivalries, it appeared to have developed almost spontaneously, although this was not exactly the case.

Unlike most incarnations of Miss Marple, this one smoked cigarettes.

Unlike pure metals, most alloys do not have a single melting point, but a melting range in which the material is a mixture of solid and liquid phases.

Unlike most theropods, Albertosaurus and other tyrannosaurids were heterodont, with teeth of different forms depending on their position in the mouth.

Unlike most of the early LAN systems, AppleTalk was not built using the archetypal Xerox XNS system.

Unlike most Common-law jurisdictions, the majority of civil law jurisdictions have specialized courts or sections to deal with administrative cases which, as a rule, will apply procedural rules specifically designed for such cases and different from that applied in private-law proceedings, such as contract or tort claims.

Unlike the NES or Sega Master System, there were few add-on peripherals for the 7800, though its backwards compatibility feature allowed it to be compatible with most Atari 2600 peripherals.

Unlike the communist parties in most other East European states, the BCP ( changing its name to Bulgarian Socialist Party ) retained majority power after the transition in Bulgaria by winning the first free national elections in June 1990.

Unlike most cranes, it has a relatively large head and a proportionately thin neck.

Unlike Zealous, these British ships suffered relatively severe damage in the engagement ; Goliath lost most of its rigging, suffered damage to all three masts and received over 60 casualties.

Unlike other C-suite positions, which tend to be defined according to commonly designated responsibilities across most companies, the COO job tends to be defined in relation to the specific CEO with whom he / she works, given the close working relationship of these two individuals.

Unlike in most other role-playing games, eventual triumph of the players is not assumed.

Unlike its predecessor games, CoC assumed that most investigators would not survive, alive or sane, and that the only safe way to deal with the vast majority of nasty things described in the rule books was to run away.

Unlike feces, urine doesn't attract disease-spreading flies ( such as house flies or blow flies ), and it doesn't contain the most hardy of pathogens, such as parasitic worm eggs.

Unlike Inter-city, it stops at most or all stations between cities.

Unlike most sports, men and women compete and are ranked together.

Unlike other college football divisions and most other sports — collegiateor professional — the Football Bowl Subdivision, formerly known as Division I-A college football, does not employ a playoff system to determine a champion.

Unlike most ( private ) corporate bodies, creatures of statute cannot expand their business interests into other diverse areas.

Unlike the modern historian, most chroniclers tended to take their information as they found it, and made little attempt to separate fact from legend.

Unlike many other succulents, the stem is the only part of most cacti where this vital process takes place.

Unlike most amnesiacs, Leonard retains his identity and the memories of events that occurred before the injury, but loses all ability to form new memories.

Unlike most other DOS systems, it was integrated into the disk drives, not loaded into the computer's own memory.

Unlike most social canids ( but similar to African wild dogs ), dholes let their pups eat first at a kill.

Unlike the violone, however, the fingerboard of the double bass is unfretted, and the double bass has fewer strings ( the violone, like most viols, generally had six strings, although some specimens had five or four ).

Unlike most other external DOS commands, it has not been transformed into a native Win32 program.

Unlike other large, hooved mammals, such as horses, moose can kick in all directions including sideways.

Unlike estrogens produced by mammals, these substances are not necessarily steroids.

Unlike the other marine mammals ( dolphins, whales, seals, sea lions, sea otters, and walruses ), sirenians eat primarily sea-grasses and other aquatic vegetation and have an extremely low metabolism and poor tolerance for especially cold water.

Unlike mammals, which use a breathing system driven by negative pressure, amphibians employ positive pressure.

Unlike reptiles, caudal ribs are never found in mammals.

Unlike most mammals, some species of shrew are venomous.

Unlike most other mammals, shrews lack zygomatic bones ( also called the jugals ), so have incomplete zygomatic arches.

Unlike cold-blooded animals, mammals and birds have only one class of chromatophore-like cell type: the melanocyte.

Unlike Benton, for example, Jacques Gauthier and colleagues forwarded a definition of Amniota in 1988 as " the most recent common ancestor of extant mammals and reptiles, and all its descendants ".

Unlike most native British mammals, the polecat's Welsh name ( ffwlbart, derived from the Middle English foulmart ) is not of Celtic origin, much as the Welsh names of invasive species such as the European rabbit and fallow deer ( cwningen, derived from the Middle English konyng and danas, derived from the Old French dain, respectively ) are of Middle English or Old French origin.

Unlike many other early mammals, Morganucodon is well represented by abundant and well preserved, though in the vast majority of cases disarticulated, material.

Unlike terrestrial mammals, dolphin brains contain a paralimbic lobe, which may possibly be used for sensory processing.

Unlike other mammals, anteater necks, especially the giant's, are thicker than the backs of their heads.

Unlike most marine mammals, the sea otter's primary form of insulation is an exceptionally thick coat of fur, the densest in the animal kingdom.

Unlike most other stings, honey bee workers ' stings ( a modified ovipositor as in other stinging Hymenoptera ) are strongly barbed, and lodge in the flesh of mammals upon use, tearing free from the honey bee's body, leading to the bee's death within minutes.

Unlike birds and reptiles, humans and other mammals are normally unable to regrow the cells of the inner ear that convert sound into neural signals when those cells are damaged by age or disease.

Unlike mammals, horseshoe crabs do not have hemoglobin in their blood, but instead use hemocyanin to carry oxygen.

Unlike the random X-inactivation in placental mammals, inactivation in marsupials applies exclusively to the paternally derived X chromosome.

Unlike other mammals, which typically have highly acidic stomachs, the Echidna has low levels of acidity, almost neutral with pH in the 6. 2 – 7. 4 range.

Unlike placental mammals, including humans, the echidna does not have a ciliary muscle to distort the geometry of the lens and thereby change the focal length and allow objects at different distances to be viewed clearly ; the whole eye is believed to distort so the distance between the lens and screen instead changes to allow focusing.

Unlike mammals, the red blood cells of fish have DNA, and can become infected with viruses.

Unlike the larynx of mammals, the syrinx is located where the trachea forks into the lungs, and because of this some songbirds can produce more than one sound at a time.