This branch is defined by the Y-Haplotree at FamilyTreeDNA as C-M38. There, it is the child of the C-F3393 branch.
This branch is defined by YFull as C-M38. There, it is the child of the C-M3 branch.
Z31992, Z31967, Z32040, Z31964, Z31944, Z32020, Y25219, Z31914, Z31919, Y25204, Y25252, Y25220, Y25236, Y25237, Z31892, Z31954, Z31961, Z31971, Z32024, Z32027, Y25267, Z31913, Z31940, Z31959, SK1012, Y25222, Y25258, Z31894, Z31981, Y25263, Z32042, Y25201, Y25213, Y25257, Y25233, Y25243, Z31895, Z31970, Z32021, Z32028, Z31999, Z32005, Z31926, Z31979, Z32004, Z32011, Z32274, SK1014, Z31980, Z32022, Y25226, Y25246, Y25264, Z31985, Y25202, SK1011, Y25262, Z31922, Z32014, Y25234, Y25235, Z31896, Z31911, Z31918, Z31958, Z31996, Z32015, Z32048, Y25191, Y25203, Y25266, Z31948, Z31955, Z31975, Z31989, Y25212, Y25221, Y25229, Y25265, Z31912, Z31927, Z31960, Z31969, Z31995, Z32000, Z32010, M38, Y25196, Y25217, Y25268, Z31978, Y25248, Z31900, Z31952, Z32050, Y25192, Y25247, Y25261, Z31965, Z31966, Z32033, Y25198, Y25230, Y25238, Z31923, Z31968, Z32025, Z32034, Y25232, Y25253, Z31977, Z32019, SK1003, Y25214, Y25244, Y25254, Z31899, Z31916, Z31956, Z32017, Y25210, Y25256, Z31972, Y25211, Y25225, Z32029, Z31908, Z31946, M208, Y25208, Y25227, Y25228, Z31903, Z32023, Z32045, Y25194, Y25224, Y25240, Z31905, Y25239, Y25270, Z31941, Y25223, Y25245, Z31904, Z31986, Y25242, Z31924, Y25193, Y25231, Z31932, Y25200, Z31990, Z32008, Z31907, Z31917, Z31898, Z32026, Z31902, Z31920, Y27125, Z31984, Y27113, Y27101, Z31994, Z32006, Z32018, Y27085, Z31963, Y27115, Z31957, Z31983, Z31942, Z32003, Y27130, Z31973, Z31893, Z31947, Y27103, Z32030, Y27079, Z31928, Y27077, Z31939, Z32046, Y27078, Y27136, Y27132, Z31949, Y27137, Z32305, Y27080, Z31906, F25157, Y25250, Y27106, Z31925, Z31945, Z31909, Y27102, Y27123, Z31998, Y27117, Y27122, Y25218, Y27104, Z31901, Y27119, Z32002, Z32031, Y27108, Y27127, Y27082, Y27111, Z32007, Y27081, Y27086, Y27105, Y27107, Y27139, Z31929, Z31987, Z31997, Y27131, Z31921, Y25241, Z31993, Y27128, Y27133, Y25207, Z31953, Y27126, Y25216, Z32012, SK1004, Y27110, Y27141, Y25209, Z32016, Z32001, Z31897, Z31936, Z31982, Y27134, Y27096, Y27109, SK1002, Y27118, Y27114, Y27098, Y27083, Z31974, Y27121, Y27112, Z32013, Y27116, Z31931, Z31937, Z32036, Z32314, Z31915, Y27142, Y25259, Y25260, SK1009, Y25255, Z32009, Y25249, Z31962, Z31988, Y142070, Z31951, Z32041, Z31910, Y25197, Z31991, S22946, Z32051, Y27138, Z32037, Z31943, Y27124, FGC41821, SK1007, Y38163, Z31950, F25968, FGC42523, Y25199, Y27120, Y25215, Z5570, Y25205, Y27135, SK1005, Y25195, Y27095, Z14471, SK1006, Y27094, Z32043, Y27129, Z7381, Z23304, K567, SK1008, Y27100, Y25251, FGC41743, Y25269, Y25206, Z32032, Z32035
Peer reviewed sources have not been added for this branch yet. If you know of one I have missed, please link to it in the comments.