Two other genera, Echinosphaerium and Camptonema, have been described but appear to be synonyms.

Two events occurred that killed off 27 % of all families and 57 % of all genera.

Two additional genera usually form in the low altitude range, but may be based at higher levels under conditions of very low humidity.

Two genera of " geese " are only tentatively placed in the Anserinae ; they may belong to the shelducks or form a subfamily on their own: Cereopsis, the Cape Barren Goose, and Cnemiornis, the prehistoric New Zealand Goose.

Two subfamilies comprising eight genera and 43 species are currently recognized.

* Subfamily Psittacinae: Two African genera, Grey Parrot and Poicephalus

Two genera are recognized: Ctenacodon and Psalodon.

Two genera, Myioborus and Basileuterus seem to have colonised South America early, perhaps before the two continents were linked, and provide most warbler species of that region.

* Kusuhashi, Hu, Wang, Setoguchi & Matsuoka ( 2009 ): Two eobaatarid ( Multituberculata ; Mammalia ) genera from the Lower Cretaceous Shahai and Fuxin Formations, Northeastern China.

Two genera with total three species belong to Seisonidae:

Two additional genera, Hegneriella Earl 1971 and Bezzenbergeria Earl 1973, have not been considered as valid by subsequent authors ( p. 249 ) The 5 recognized genera differ in terms of the number of nuclei, the appearance and location of the falx ( two short, sickle-shaped rows of flagella ), and whether the long rows of flagella ( called " kineties ") cover the body evenly or if there is a " bald spot ".

Two genera, Pseudobulweria and Lugensa, have been split from the gadfly petrel genus Pterodroma, with Pseudobulweria being phylogenetically closer to the Puffinus shearwaters than the Pterodroma gadfly petrels,

Two Late Cretaceous genera, Tsaagan from Mongolia and the North American Saurornitholestes, may also be close relatives, but the latter is poorly known and hard to classify.

Two other species, formerly placed in Brachypteryx, are now in two other genera.

Two additional species, H. graciloides and H. maccoyi, have been reported but both are now classified in other genera.

Two subfamilies are recognized, the Cercopithecinae, which are mainly African, but include the diverse genus of macaques, which are Asian and North African, and the Colobinae, which includes most of the Asian genera, but also the African colobus monkeys.

Two genera also occur in sub-Saharan Africa, the widespread Podocarpus and the endemic Afrocarpus.

Two genera of labrisomid are noted for their ovoviviparity ; Xenomedea and Starksia both retain eggs within the oviduct where they develop in safety.

Two well-known genera are the common horse flies, genus Tabanus Linnaeus, 1758 and the deer flies, genus Chrysops Meigen, 1802 are also known as banded horse flies because of their coloring.

Two extinct genera, Xanthorhysis and Afrotarsius, are considered to be close relatives of the living tarsiers and are generally classified within Tarsiiformes, with the former grouped within family Tarsiidae and the latter listed as incertae sedis ( undefined ).

Two other genera of Crassulaceae that have many-parted ( polymerous ) flowers ( Sempervivum and Jovibarba ) are not closely related to the three Canary Island genera.

Two species formerly included in the genus Cochlearia are now usually treated in separate genera:

Volumes One and Two, selected from the sound tracks of a television series, contain `` conversations with the elder wise men of our day ''.

Two men can often do the installation in a day.

Two aspects of this attitude deserve to be mentioned: 1 ) he did not only study science from books, as other academics did in his day, but actually observed and experimented with nature ( the rumours starting by those who did not understand this are probably at the source of Albert's supposed connections with alchemy and witchcraft ), 2 ) he took from Aristotle the view that scientific method had to be appropriate to the objects of the scientific discipline at hand ( in discussions with Roger Bacon, who, like many 20th century academics, thought that all science should be based on mathematics ).

Records from the early 19th century survive to this day describing the distinct dialect that had surfaced in the colonies since first settlement in 1788, with Peter Miller Cunningham's 1827 book Two Years in New South Wales, describing the distinctive accent and vocabulary of the native born colonists, different from that of their parents and with a strong London influence.

Two years before their first opening day, Colangelo hired Buck Showalter, the American League Manager of the Year in 1994 with the New York Yankees.

* 1809 – Two Austrian army corps in Bavaria are defeated by a First French Empire army led by Napoleon I of France at the Battle of Abensberg on the second day of a four day campaign that ended in a French victory.

* 1809 – Two Austrian army corps are driven from Landshut by a First French Empire army led by Napoleon I of France as two French corps to the north hold off the main Austrian army on the first day of the Battle of Eckmühl.

In Gregory ’ s day, history was not recognized as an independent field of study ; it was a branch of grammar or rhetoric, and historia ( defined as ‘ story ’) summed up the approach of the learned when they wrote what was, at that time, considered ‘ history .’ Gregory ’ s Dialogues Book Two, then, an authentic medieval hagiography cast as a conversation between the Pope and his deacon Peter, is designed to teach spiritual lessons.

Two days after Bloody Sunday, the Westminster Parliament adopted a resolution for a tribunal into the events of the day, resulting in Prime Minister Edward Heath commissioning the Lord Chief Justice, Lord Widgery to undertake it.

Two of Constantine's Solomonic column s in their present day location on a pier in St Peter's, Rome.

* Two spoonfuls of vinegar three times a day

* Two oranges and one lemon every day.

Two of these chiefdoms, Marien and Jaragua, were on the territory of present day Haiti.

Two other highlights happen late in the day.

Two major influences on Dowland's music were the popular consort songs, and the dance music of the day.

Pius II was greatly admired as a poet by his contemporaries, but his reputation in belles lettres rests principally upon his The Tale of the Two Lovers, which continues to be read to this day, partly from its truth to nature, and partly from the singularity of an erotic novel being written by a Pope.

Two meals a day are allowed, with two cooked dishes at each.

Two aerial tramway cars, known as gondolas, and numbered ' 1 ' and ' 2 ', operate in opposition on a cable, and a service is provided at roughly fifteen minute intervals throughout the day.

Two days later, the US Bankruptcy Court approved its first day motions and its use of a $ 70 million financing facility provided by a group of its bondholders.

Two systems introduced in historical catalogues remain in use to the present day.

In his 2004 book Two Sides of the Moon, Alexey Leonov recounts that he was flying a helicopter in the same area that day when he heard " two loud booms in the distance.

Two feature films were made based on the series-the first was Till Death Us Do Part ( 1969 ), whose first half dealt with the younger Alf and Else during World War II, and whose second half dealt with all the Garnetts in the present day being moved from their East End slum to the New town of Hemel Hempstead, and the adjustments and changes that brought on the family.

Two companies to use the 1904 medal were Jack Daniel's whiskey ( which still use it on their bottles to this day ) and Binney & Smith.