Matsya Purana — Manvantaras
देवश्रवा देवरातः पुराणश्च धनंजयः शिशिरश्च महातेजाः शालङ्कायन एव च //
devaśravā devarātaḥ purāṇaśca dhanaṃjayaḥ śiśiraśca mahātejāḥ śālaṅkāyana eva ca //
Devaśravā, Devarāta, Purāṇa, Dhanaṃjaya, Śiśira of great splendor, and also Śālaṅkāyana—these are the names mentioned.
Nothing directly—this verse functions as a genealogical/name-catalogue, listing individuals rather than describing cosmology or Pralaya.
Indirectly: such lists preserve lineage-memory and legitimacy, a key concern in Purāṇic political ethics, but no explicit rājadharma or gṛhastha-dharma instruction appears in this verse.
None is stated here; the verse is a sequence of proper names without Vāstu, temple-building, or ritual procedure terminology.