The phrase "although it is considered" is correct and usable in written English.
It can be used to introduce a contrast or exception to a statement, often indicating that something is viewed in a certain way despite other factors.
Example: "Although it is considered a classic novel, many readers find it difficult to engage with the writing style."
Alternatives: "even though it is regarded" or "despite being viewed".
One of the first named genera was Ceratops itself, which lent its name to the group, although it is considered a nomen dubium today as its fossil remains have no distinguishing characteristics that are not also found in other ceratopsians.
Although it is considered unsuitable for life, its existence means that other planets could survive in the habitable zones of twin-star systems.
The decision to deploy our armed forces is exercised under the royal prerogative vested in the prime minister, who has personal discretion in its exercise and is not statutorily bound to consult others, although it is considered to be inconceivable that he would not do so in practice.
Falconry is practiced worldwide, although it is considered to be a rare sport.
She faces up to three years in a state prison, although it is considered likely the judge will impose no prison time.
It hopes to gain the balance of power in both houses of parliament, although it is considered more likely in the upper house.
However, although it is considered important in the history of anthropology, Morgan's work, and indeed unilineal cultural evolution as a whole, no longer hold credence in the field.
Another possibility, although it is considered a long shot, would be to adopt the franchise tag system used in the N.F.L.
Although it is considered to show her in one of her better roles, the film opened to poor reviews and was criticized for its coarseness.
Christoph Luxenberg, however, is a pseudonym, and his scholarly tome ""The Syro-Aramaic Reading of the Koran" had trouble finding a publisher, although it is considered a major new work by several leading scholars in the field.
Although it is considered American golf's most hallowed ground, the National, as it is called in Georgia, is set alongside Washington Road in Augusta, a clamorous collection of fast-food franchises, discount outlets and muffler shops.
