The phrase "are typically tiny" is correct and usable in written English.
It can be used to describe the common size or scale of something in a general context.
Example: "In the world of microorganisms, bacteria are typically tiny compared to other living organisms."
Alternatives: "are usually small" or "tend to be minuscule".
In any event, the squash weighs in at around eight pounds, and the seed cavity is typically tiny.
If one imposes functional constraints on genotypes, the set of genotypes fulfilling these constraints is typically tiny compared to the entire space.
Dorm rooms are typically very small, including tiny closets, so stick to the absolute essentials (you'll also need to store your stuff in the summers, either through local storage or by carting it back home--one more reason to go easy on quantity).
They are, typically for Ligeti, on a tiny scale, and they make sounds like nothing else: each of the seven songs is simultaneously redolent of folk music and of modernist complexity, of childish immediacy and decidedly adult sophistication.
Phytoplankton are typically eaten by zooplankton - tiny marine animals - which themselves are prey for small fish and other animals.
These are prepared to order by the sushi chef and are typically seasoned lightly with a tiny amount of wasabi and soy sauce before it comes to you.
housing unit is typically a tiny one-room apartment with no private bathroom or kitchen, although new publicly assisted units often have both bathrooms and kitchen equipment.
Since most data, regardless of how it is generated, has lots of built-in redundancy, the information we can extract from any data set is typically a tiny fraction of the data's sheer volume.
Event-related potentials (ERPs) are tiny electrical brain responses in the human electroencephalogram that are typically not detectable until they are isolated by a process of signal averaging.
The tiny tubular flowers are borne in whorls along the stems and are typically purple or white in colour.
